Dev tools · alternatives · 2026

24 alternatives to tu – Convert natural language date/time to UTC

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

tu is a command-line tool that converts natural language date and time expressions into UTC format. It interprets human-readable phrases and outputs their corresponding UTC timestamps, making it useful for developers… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. tu – Convert natural language date/time to UTC launched in 2024; newer entries below may have overtaken it.

1. 1
   I made a tool to compare time zones▲758

   Timezone converter and world clock by time.fyi is a simple, fast and easy to use app to convert timezones and check the current time in different cities around the world.

   2024 · time.fyi · its alternatives →

2. 2
   Lightweight time-management CLI tool▲72

   Lightweight time management CLI tool . Contribute to liviu-/ding development by creating an account on GitHub.

   2016 · github.com · its alternatives →

3. 3
   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 →

4. 4
   Paste A Date▲83

   Quickly convert timestamps into other timezones

   2017 · its alternatives →

5. 5
   UTC Time▲112

   Show the time in UTC in the menu bar or a widget

   2021 · apps.apple.com · its alternatives →

6. 6
   LLM Attention Visualizationfree▲176

   I often need to convert times between time zones, so I built this tool to convert between them quickly and efficiently. 1. Add the cities you want to convert between (this is saved in the browser). 2. Drag on the map until the time on the source city is the time you want. 3. Look at the time at the other city. It's even more helpful to use on a phone since it doesn't require typing to convert between time zones or look up the time in another city (assuming you already added the cities you care about). If you need to convert a time far in the future, you can input the date and time in the…

   Sep 2026 · ishamf.dev · its alternatives →

7. 7
   UTC Time - live clock, ISO 8601, Unix timestamp▲26

   Live UTC clock with one-click copy for ISO 8601, RFC 3339, RFC 2822 and Unix time, a device clock-skew check, and get-the-time-now code for 14 languages. Dark, fast, no signup.

   Aug 2026 · utctime.app · its alternatives →

8. 8CE
   Convert English to Cron Expressions▲108

   2022 · cronprompt.com · its alternatives →

9. 9
   My Time Zone▲382

   Automatic time zone conversion tool

   2017 · its alternatives →

10. 10DO
    Duckling – Open-source datetime expression parsing▲136

    2014 · duckling-lib.org · its alternatives →

11. 11
    Codate▲265

    Easy date formats for any code

    2024 · codate.io · its alternatives →

12. 12
    A fast ISO8601 date-time parser for Python▲55

    2014 · hack.close.io · its alternatives →

13. 13
    Klok▲192

    A quick and handy time zone converter widget for iOS

    2015 · buuuk.com · its alternatives →

14. 14
    Tempo▲118

    Replace the Git CLI with a clear UI and AI assist

    2024 · maoyama.gumroad.com · its alternatives →

15. 15NL
    Natural Language Time Zone Converter▲8

    2015 · slashtz.com · its alternatives →

16. 16TA
    Thyme, a simple CLI to measure human time and focus▲99

    2016 · text.sourcegraph.com · its alternatives →

17. 17
    Chronos – Master of Time▲113

    Time zone converter, meeting scheduler + video conferencing

    2017 · apps.apple.com · its alternatives →

18. 18
    Numby▲83

    A natural language calculator for your terminal and macOS

    Nov 2025 · numby.vivy.app · its alternatives →

19. 19AU
    A Unix timestamp converter that includes the micro and nanoseconds▲27

    I find myself having to convert a lot of unix timestamps to a human readable format, but most of the online calculators I found don't include the micro or nanoseconds in the human readable output. It's a small detail, but I find myself having to manually space out the timestamp frequently. I'm learning frontend development, so I made this converter to hopefully make it easier to convert timestamps. Welcome to any feedback :)

    2023 · justquickmath.com · its alternatives →

20. 20
    Slash TZ▲82

    Natural language time zone converter for Slack & Hipchat

    2015 · slashtz.com · its alternatives →

21. 21
    AnyDate API▲7

    Universal date & time parsing API

    2025 · anydateapi.up.railway.app · its alternatives →

22. 22
    Duckling▲64

    Datetime expression parser (opensource)

    2014 · its alternatives →

23. 23
    Interactive exercises for Linux CLI text processing commands▲69

    Last month, I started learning a Python TUI framework called Textual. After working on a 4x4 board game, I made an interactive app to test your CLI text processing skills with 40 beginner to intermediate level exercises. The app is fairly basic in terms of features — only single input file, so no stdin data, multiple files, etc. Most of the exercises in this app is based on my Computing from the Command Line ebook (https://learnbyexample.github.io/cli-computing/preface.html). I hope to improve the TUI app to support all the 200+ exercises sometime next year.

    2022 · github.com · its alternatives →

24. 24
    Time Format Converter▲12

    Convert UNIX timestamps to ISO date format and reverse

    2025 · isitup.github.io · 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 →