
Completed
Posted
Paid on delivery
My booking form suddenly rejects every attempt to pick a date and flashes the message “Selected date is not valid.” Even when the date is clearly within the allowed range, the form refuses to proceed and blocks submission. I’m looking for someone to trace the root cause of this error message, correct the validation logic, and confirm the form submits smoothly once a valid date is chosen. You’ll work with the existing front-end (HTML/CSS/JavaScript) and back-end script that processes the reservation. No styling changes are needed—just the functional repair. Please test across the latest versions of Chrome, Firefox, Safari, and Edge so guests on any browser can complete a booking without errors. Deliverables: • Updated code (front and/or back end) that eliminates the “Selected date is not valid” error • Confirmation that the form now submits successfully with legitimate dates • A brief note summarising what you changed so I can maintain it going forward If you need server access or sample inputs, let me know and I’ll provide them right away.
Project ID: 40511370
146 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Date validation bugs like this are usually a date format mismatch between the front-end picker and the back-end validation — the picker sends one format while the server expects another, or a timezone offset pushes the date outside the allowed range. I'll trace the exact flow from the date picker's output through JavaScript validation to the server-side script, pinpoint where "Selected date is not valid" gets triggered, and fix the root cause rather than patching symptoms. Once corrected, I'll test the full submission flow across Chrome, Firefox, Safari, and Edge to confirm clean bookings, and provide a short summary of exactly what changed. Send me access and I can start immediately.
£10 GBP in 1 day
7.0
7.0
146 freelancers are bidding on average £15 GBP for this job

Hello, With over a decade of industry experience, our team at Our Software is adept in pinpointing and resolving various coding issues. We specialize in frontend development using HTML, CSS and JavaScript, which is directly aligned with the job requirements for this project. Rest assured, we will leave no stone unturned in finding the root cause of the date error on your booking form and make necessary adjustments to the validation logic to ensure that it accepts valid dates as intended. Throughout our career, we have developed a strong knack for identifying browser compatibility issues early on and ensuring optimal performance across diverse platforms. This entails rigorous testing on different web browsers, including the ones you mentioned. Hence, you can count on high quality work with us while providing a glitch-free user-experience to guests using any browser. Finally, we understand your need for future maintenance of this aspect of your website. That's why we provide comprehensive documentation on all changes made. In summary, choosing our team means retaining a highly skilled group who not only resolves the immediate issue but also imparts knowledge for smoother management going-forward. I look forward to partnering with you and turning this inconvenience into an opportunity to upgrade your booking system! Thanks!
£30 GBP in 1 day
8.6
8.6

Hi, I can see the hidden issue here: the form isn’t really failing on date input, it’s likely a validation mismatch between the browser date value and the server-side check. I’ve fixed similar booking flows in HTML, JavaScript, and PHP by tracing the exact point where valid dates get rejected, then aligning front-end and back-end validation so submissions pass cleanly across Chrome, Firefox, Safari, and Edge. I’ll review the existing reservation script, correct the date logic, and verify the booking submits smoothly without altering your current design. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could the issue be tied to timezone handling, min/max date formatting, or a server-side parse mismatch? Do you want me to preserve the current date format exactly, or can I normalize it for reliability? If you have sample inputs or staging access, I can pinpoint the fix quickly and document the change clearly. Can you share whether the server expects a specific date format or timezone so I can lock the validation down precisely? Looking forward to your reply so we can finalize the exact plan. Thanks, Asad
£15 GBP in 9 days
8.3
8.3

Hi, To fix the issue with your booking form rejecting valid dates, I will thoroughly analyze the front-end and back-end code to identify and correct the validation error. I will ensure seamless submission of the form after selecting a valid date across multiple browsers. Let's discuss further to understand the project requirements in detail. Regards, Sai Bhaskar
£10 GBP in 1 day
7.8
7.8

Hello Form broken. Submissions fail. Pain point: lost customers. Full-Stack Dev. Fixed many booking forms. Know JavaScript, Node.js, database issues. Get form working. Get customers. Reply. Discuss fix. Giáp Văn Hưng
£15 GBP in 7 days
6.9
6.9

Hello! We can fix the booking form validation and make date submission work reliably. 1. Can you share the current validation logic or the relevant files? 2. Should we check both front-end and back-end handling for the date field? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
£13 GBP in 7 days
6.7
6.7

Hi there, Ready to do it now. I will quickly check the code and fix the booking form date issue. I need to check and need your server code to quickly update it. Nikhil.
£10 GBP in 1 day
6.4
6.4

As a full-stack developer at SoftwareLinkers, my vast experience in handling both front-end and back-end development make me an excellent fit for your project. I have successfully fixed numerous bugs, like what you're experiencing right now, and have left clients satisfied with enhanced functionality. With my skillset in HTML/CSS/JavaScript, PHP, and Web Development, I can definitely identify the root cause of the datetime error message in your booking form. Moreover, ensuring cross-browser compatibility is a prime consideration for me during any project execution. I will thoroughly test the updated code across all the latest versions of Chrome, Firefox, Safari, and Edge to give you complete peace of mind that your guests can seamlessly complete their bookings irrespective of their browser preference. Additionally, a core value at SoftwareLinkers is not only solving glitches but also empowering our clients for future troubleshooting. I will provide you with a clear summary of all the updates made so that you won't need to brief someone else the next time you face any issue related to the date validity in your booking form. All in all, employ my proven expertise and let's resolve this error to get your form seamlessly accepting valid dates once again!
£15 GBP in 1 day
6.5
6.5

Hello dear, I’m Md. Toriqul Islam, an experienced full-stack developer with 10+ years of expertise in JavaScript, HTML, CSS, form validation, debugging, and backend troubleshooting. I can dive into your project immediately. I understand your booking form incorrectly displays “Selected date is not valid” and prevents submission even for legitimate dates. I’ve resolved similar issues involving date validation logic, timezone conflicts, browser compatibility problems, and front-end/back-end synchronization errors in reservation systems. I have rich experience in JavaScript, PHP, Node.js, form validation, API integration, cross-browser testing, and bug fixing. I’m ready to start immediately and can provide a documented fix, testing results, and maintenance notes upon completion. Looking forward to hearing from you. Best regards, Md. Toriqul Islam
£10 GBP in 1 day
6.1
6.1

Hello, I came across your Booking Form Date Error Fix and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, CSS, HTML, Web Development, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
£20 GBP in 1 day
5.8
5.8

Hello, I can quickly diagnose and fix the “Selected date is not valid” issue in your booking form, whether it originates from the front-end validation, date formatting, timezone handling, or back-end processing. With experience in HTML, CSS, JavaScript, PHP, and form troubleshooting, I'll implement a reliable fix, test across major browsers, and provide a summary of the changes made. I can start immediately and look forward to reviewing the code. Thanks.
£12 GBP in 7 days
6.0
6.0

Hi,✨ let's Fix the booking issue right away✨ I can confidently handle this task as I specialize in all kinds of WordPress and PHP development work. If you're looking for a reliable expert who delivers quality within budget — you're in the right place. ✅ Why Choose Me? ✔️ Fast & On-Time Delivery ✔️ Fair Pricing — Budget-Friendly Solutions ✔️ Easy to Communicate — 24/7 Support ✔️ Over 10 Years of Problem-Solving Experience ✔️ Clean, Secure & Scalable Web Solutions I'm excited to understand your goals and deliver the best possible solution tailored just for you. Let’s connect to visualize the complete scope and get started! Thanks & Regards, Hemchand
£18 GBP in 1 day
5.9
5.9

Hello, I can help fix the booking form issue where valid dates are being rejected with the “Selected date is not valid” message. I have experience debugging HTML, CSS, JavaScript, date pickers, validation logic, and backend reservation form handling. For this task, I can: • Trace the source of the invalid date validation • Review both frontend and backend date checks • Fix the logic causing valid dates to be rejected • Test allowed date ranges and edge cases • Confirm successful form submission with valid dates • Test in Chrome, Firefox, Safari, and Edge • Provide a short summary of the changes made I’ll focus only on the functional repair without changing the existing styling or layout. I’m available to start immediately once you share access, sample dates, or the relevant form files.
£13 GBP in 7 days
5.9
5.9

I can quickly identify and fix the validation bug in your booking form, ensuring it works reliably across the latest versions of Chrome, Firefox, Safari, and Edge. With strong experience in HTML, CSS, JavaScript, and debugging front-end issues, I focus on delivering clean, long-lasting solutions rather than temporary fixes. I’ve also worked extensively with Laravel, Django, and WordPress, giving me the skills to troubleshoot both client-side and server-side form behavior when needed. After resolving the issue, I’ll provide a brief summary of the changes made so future maintenance is straightforward. Beyond fixing the immediate problem, I’ll review the related logic for potential improvements to enhance stability, usability, and overall performance. My priority is to ensure your booking process is seamless for users and dependable for your business. I’m ready to start immediately and deliver an efficient, high-quality solution.
£13 GBP in 7 days
5.9
5.9

Hello, I can help diagnose and fix the booking form issue causing the "Selected date is not valid" error. With experience in HTML, CSS, JavaScript, PHP, MySQL, and form validation debugging, I can trace the problem from both the frontend and backend to identify the exact cause rather than applying a temporary workaround. My approach: • Review the current date picker and client-side validation logic • Inspect server-side date validation and processing code • Verify date format consistency between frontend, backend, database, and server timezone settings • Test edge cases such as browser-specific date formats, locale settings, and min/max date restrictions • Fix the root cause and ensure valid dates are accepted correctly • Test the complete booking flow across Chrome, Firefox, Safari, and Edge Deliverables: ✔ Updated frontend and/or backend code with the issue resolved ✔ Confirmation that valid dates submit successfully ✔ Cross-browser testing completed ✔ Brief documentation explaining the root cause and changes made for future maintenance Issues like this are often caused by date format mismatches, timezone differences, expired validation rules, JavaScript errors, or server-side validation conflicts. Once I review the code and sample inputs, I can quickly identify the source and implement a reliable fix. I can start immediately and provide updates as I work through the debugging process. Best regards, Altaf Hussain
£13 GBP in 7 days
6.0
6.0

<<<✔Consider it DONE✔>>> YO! I understand your project and I'm eager to help. As an accomplished and meticulous developer with substantial experience in frontend and backend development, I am confident I can effectively rectify the issues you're experiencing with your booking form. I am adept at both HTML/CSS/JavaScript (which your current setup employs) as well as PHP, meaning I can troubleshoot and improve your existing codebase without breaking anything else in your environment. My project roadmap prizes efficiency, simplicity, and future-proofing. Not only will I identify and address the root cause of the "Selected date is not valid" error you mentioned, but my aim is also to fortify the form's overall stability and usability. My changes will be accompanied by a comprehensive summary empowering you to maintain the solution effectively going forward. Beyond just fixing the problem, I offer valuable additional skills that could enhance your overall web presence such as website speed optimization and security reinforcement. Therefore, if chosen for this task, not only would you resolve this issue comprehensively but you'll also harness additional benefits from my broader skillset including long-term support & maintenance further assuring your peace of mind. Looking forward to being part of your project! You will surely be impressed by my work! Not sure what the next step is? I offer free and professional consultation -- I'm just a text away. All the very best, Josh
£13 GBP in 2 days
5.7
5.7

Hi, this issue usually happens when frontend and backend date formats don’t match or timezone conversion causes valid dates to be rejected. I’ll trace the full flow from the date picker to server validation, fix inconsistencies, and standardize date handling (preferably ISO 8601) to ensure reliable submission. I’ll also test across Chrome, Firefox, Safari, and Edge to confirm stability. I’ve fixed similar booking systems where validation broke due to parsing differences. A few questions: what backend is used, and are there specific date rules or timezones enforced? Ready to resolve this quickly.
£15 GBP in 1 day
5.7
5.7

Hi, I'm interested in your requirements. I have rich experience in web development using PHP, HTML, JavaScript, jQuery & MySQL - Codeigniter & Laravel Let's have a chat for more details. Thanks!
£13 GBP in 7 days
5.7
5.7

As an experienced web developer who has worked extensively with HTML and PHP, I believe I'm the perfect fit for your booking form fix. Your project of tracing the root cause of an error message, correcting the validation logic, and confirming smooth submission aligns directly with my core competencies. I have an excellent track record of troubleshooting and fixing complex bugs in web applications, and your problem feels like a challenge I would love to take on. Apart from this, my proficiency in WordPress theme customization, PHP, JavaScript, MySQL, and Codeigniter has continually helped me enhance web applications' functionalities while ensuring their smooth operation. My priority lies in providing immediate solutions to clients, and you can rest easy knowing I will leave you with a detailed summary of all changes made for future reference. Let's team up on this project to eradicate the date picking issue on your booking form across different browsers and ensure seamless form submission for your users. With my dedication, extensive skills, and passion for problem-solving, I guarantee you a top-notch solution that not only addresses the current problem but also strengthens the overall functionality of your web application.
£13 GBP in 1 day
5.8
5.8

Greetings, Is the issue happening on all dates or specific ones only? • Can you share the current validation script and booking flow? • Is there a staging/demo environment available for testing? • Should I also check timezone/date-format mismatches between front-end and back-end? I can start on it right now,let me know is so I can get on with it. Best, David
£13 GBP in 7 days
5.5
5.5

I’m Aliza, a web developer with a strong background in both front and back-end technologies that align highly with your project needs. Having worked with HTML, CSS, and JavaScript extensively, I'm competent in troubleshooting issues like the one you're facing. Plus, my knack for debugging will ensure an accurate root-cause analysis for this “Selected date is not valid” error message on your booking form. My experience isn’t just confined to fixing issues; it extends to making long-lasting improvements. I can provide you with clean and structured code that maintains the original functionality while eliminating the errors. To guarantee compatibility across various browsers, I’ll conduct thorough testing on Chrome, Firefox, Safari, and Edge – ensuring guests can complete bookings effortlessly. In addition to rectifying the issue at hand, I’ll provide you a concise summary of what I changed for easy future maintenance. My tech skillset also includes experience with backend development which will be handy if we need to identify any issues there. Additionally, my expertise in SEO-friendly builds will help improve visibility and traffic to your site once the project is concluded. So why not leverage my commitment to quality and timelines for this project? Let's work together and turn your website into a robust platform for hassle-free bookings.
£10 GBP in 1 day
5.5
5.5

London, United Kingdom
Payment method verified
Member since May 21, 2019
£50-55 GBP
£10-20 GBP
€40-50 EUR
£30-50 GBP
£250-350 GBP
$30-250 USD
€8-30 EUR
₹12500-37500 INR
₹1500-12500 INR
$750-1500 USD
$250-750 USD
$30-250 NZD
$30-250 USD
$200-201 USD
$15-25 USD / hour
₹35000-40000 INR
$30-250 USD
₹12500-37500 INR
$250-750 USD
$100 CAD
£20-250 GBP
₹37500-75000 INR
₹400-750 INR / hour
₹1500-12500 INR
$30-250 AUD