Overview
Instantly see what day any date falls on. Highlights dates on any webpage - hover to see Monday, Tuesday, etc.
Ever looked at a date and wondered what day of the week it falls on? WhatDayIsIt instantly highlights dates on any webpage and shows you the day with a simple hover. ✨ FEATURES • Automatic date detection - works on any website • Hover tooltip shows day of week (Monday, Tuesday, etc.) • Supports multiple formats: Dec 25, 2024 | 25/12/2024 | 2024-12-25 • Works with English and Polish dates • Customizable highlight color (on/off) • Icon position setting (before/after date) • Works on dynamic content (SPAs) 🔒 PRIVACY • Zero data collection • No analytics or tracking • Works entirely offline • Open source Perfect for planning, scheduling, and quickly checking any date you encounter online.
Details
Version
1.3
Updated
February 15, 2026
Size
41.65KiB
Languages
Developer
Email
fajkowsky@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
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