Work · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calendar Date Converter – For Gregorian, Lunar, Hebrew, Islamic etc. launched in 2021; newer entries below may have overtaken it.

1. 1
   Hebrew Calendar with AI▲3

   Calendar Converter | Date Conversion Tool

   2024 · hebrew-calendar.com · its alternatives →

2. 2
   Hebrew Birthday Calculator▲14

   Convert your birthday into the Hebrew calendar instantly

   2025 · its alternatives →

3. 3
   Islamic Hijri Calendar▲9

   Hijri date today – arabic date

   2025 · islamichijricalendar.com · its alternatives →

4. 4
   Summarize your time availability in seconds▲109

   Simple tool to share your availability as plain text. Select time slots, convert timezones, copy and send. No calendar links needed.

   2020 · whattime.today · its alternatives →

5. 5
   Watzon▲78

   Elegant timezone converter + reminder

   2016 · silesius.se · its alternatives →

6. 6TS
   Two small Chrome extensions for Hebrew text and dates▲7

   Free, beautifully designed Chrome extensions by Chaim Weiss — Hebrew Date Bubble converts any date to the Hebrew calendar, and Copy Without Nikud strips vowel marks from Hebrew text in one click.

   Sep 2026 · chaimsapps.com · its alternatives →

7. 7
   365 Days Calendar▲9

   Find the day of the year and days between dates

   2025 · apps.apple.com · its alternatives →

8. 8
   Calendar Converter▲12

   Convert physical calendars into digital calendar events.

   2024 · its alternatives →

9. 9
   tu – Convert natural language date/time to UTC▲83

   CLI tool to convert a natural language date/time string to UTC - ad-si/tu

   2024 · github.com · its alternatives →

10. 10
    Nepali Calendar For PC - NepDate Widget▲4

    Nepali Calendar, Date Converter & Productivity Tools for PC

    May 2026 · apps.microsoft.com · its alternatives →

11. 11CA
    Calendar API for Developers▲9

    2019 · campaigndays.com · its alternatives →

12. 12
    DateTimeWX▲6

    World time, weather, calendar & holidays tools

    Oct 2025 · datetimewx.com · its alternatives →

13. 13
    Afghan Date Converter▲1

    Free Afghan date converter online.

    May 2026 · afghandateconverter.com · its alternatives →

14. 14
    calendar.org▲81

    The NFT Calendar

    2022 · calendar.org · its alternatives →

15. 15
    Timeless▲80

    A unique clock and calendar visualization

    2015 · timeless.simplebots.co · its alternatives →

16. 16
    SacredCal▲2

    Many Faiths. One Destination.

    Jun 2026 · sacredcal.com · its alternatives →

17. 17
    Sri Patro▲6

    Best Nepali and English Calender forAccurate Hourly Panchang

    2025 · sripatro.com · its alternatives →

18. 18
    CalenMob▲65

    Calendar app with week-long view

    2014 · apps.apple.com · its alternatives →

19. 19
    Datetime.app▲15

    Created Datetime.app, a sleek alternative to time.is. AI nailed the features with minimal requirements—truly impressive!

    2025 · datetime.app · its alternatives →

20. 20
    Hijri Calendar v2.0▲6

    Hijri Cal — Simple hijri calendar browser extension

    Jan 2026 · chromewebstore.google.com · its alternatives →

21. 21RT
    Ramadan Time Calulator▲14

    2015 · ramadan-time.github.io · its alternatives →

22. 22
    Hasibat Al Umr▲2

    Age Calculator & Hijri ↔ Gregorian Date Conversion Tools

    May 2026 · hasibatalumr.com · its alternatives →

23. 23
    Muslim Calendar▲7

    Track islamic & hijri dates

    2025 · muslimcalendar.app · its alternatives →

24. 24
    Miti | Nepali Calendar 2082▲11

    A clean, modern BS/AD calendar made for real work.

    2025 · usemiti.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →