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Last updated on: 2026-07-10
Android Apps > Tools > TAI Clock and Converter
TAI Clock and Converter icon

TAI Clock and Converter

3.5
Ton van Overbeek
5.00
203 reviews
10,000+
Downloads
Free

Converts between TAI (International Atomic Time) and UTC (aka GMT).

TAI Clock and Converter Screenshot 1 of 6
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About TAI Clock and Converter

TAI Clock and Converter is a tools app developed by Ton van Overbeek.

Download Statistics

TAI Clock and Converter has been downloaded 13 thousand times. In the last 30 days, the app was downloaded 0 times.

User Ratings

TAI Clock and Converter is rated 5.00 out of 5 stars. The rating is based on 200 ratings.

App Information

TAI Clock and Converter is FREE to download. The APK download size is 4.35 MB. The latest version available is 3.5. The last update was on August 17, 2023.

Technical Requirements

TAI Clock and Converter requires Android 2.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play March 2011.

Description
Show both/Converts between TAI (International Atomic Time) and UTC (Coordinated Universal Time aka GMT).

TAI is shown in 3 buttons as a 32 bit integer in seconds in both hexadecimal and decimal and as HH:MM:SS.
UTC is shown in 3 buttons:
- YYYY-MM-DD (year, month, day)
- YYYY-DDD (year, dayofyear (0-365/366)
- HH:MM:SS (hour, minute, second)

Tapping any button stops the running clock and allows you to edit it and show the corresponding time in the other representations.

A long press on either one of the TAI buttons or the UTC HH:MM:SS button starts the corresponding full screen clock. There is a setting to keep the screen on while displaying a full screen clock.

The running clock uses the system clock. The accuracy of the clock can optionally be improved by synchronizing with an internet time server using the SNTP protocol. The frequency of the updates can be set to Never, Once, Every 10 minutes, Every hour and Every 6 hours. Obviously this requires a working internet connection. SNTP updates are only active when the app is in the foreground.

Home screen widgets and a lock screen widget are also included.
Widgets are resizable for Android >= 4.1.

Recent changes:
Updated for Android 13
Show more Show less

More data about TAI Clock and Converter

Price Free to download
Total downloads 13 thousand
Recent downloads 0
Rating 5.00 based on 200 ratings
Ranking Not ranked
Version 3.5
APK size 4.35 MB
Number of libraries 2
Designed for Android 2.1+
Suitable for Everyone
Ads NO ads

App Performance Report

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TAI Clock and Converter compared with similar apps

Common keywords of similar apps

Tai Buttons Converts International Aka Shown Yyyy Year Button Running Full Internet Sntp Updates Widgets Clock Time Screen Utc Atomic Gmt Show Hour

Keywords missing from this app

App World Widget Analog Converter Zone Digital Zones Ntp Recent Set Version Display Features Date Accuracy Weather Servers Accurate Mode Clocks Speed Https Exact Device Tool Lock Dial Shows Customizable Home Settings Seconds Current Information Free Helps Store Fixed Battery Atomicclock Format

Google Play Rating history and histogram

Rating history
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200
0
0
0
0

Downloads over time

Downloads over time
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TAI Clock and Converter has been downloaded 13 thousand times. Over the past 30 days, it has been downloaded 0 times.

Changelog of TAI Clock and Converter

Show changelog

Developer information for Ton van Overbeek

Ton van Overbeek

tvoverbeek@gmail.com

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Address:

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Comments on TAI Clock and Converter for Android

★★★★★ Anthony Bruni · Sep 15, 2021
I want to add that when I tested this app to the short wave radio stations WWV and WWVH I have found this app refreshingly accurate and precise in artificial time. Of course with Internet connection. The time does not noticeably vary. It's accurate and precise testing it against a variety of accurate and precise artificial time pieces. It's a personal favorite app for accurate and precise artificial time with reliable Internet connection.
★★★★☆ tvo · Sep 18, 2011
Correct UTC available when Android clock off cquarksnow has obviously not read the description. When using SNTP updates you will always have the correct UTC even when your Android clock is not running correctly (as on my Nexus One).
★☆☆☆☆ cquarksnow · Sep 6, 2011
Not UTC but Android clock (often different) As most Android phones like HTC EVO 4G, 3D, Motorola Photon and the like to have a device clock that's 15 seconds fast (Android bug 5485), what the application shows is your device time as "UTC", when it's often GPS. Note that Samsung Android phones do not have the issue, as the firmware compensates for the bug.

Google Play Rankings for TAI Clock and Converter

This app is not ranked

Technologies used by TAI Clock and Converter

5 permissions · 2 libraries
Subscribe to see full permission and library details
AtomicClock: NTP Clock icon AtomicClock: NTP Clock
World Clock Widget & Weather icon World Clock Widget & Weather
Worldclock Timezone Converter icon Worldclock Timezone Converter
UTC Clock icon UTC Clock
tCalc - a time calculator icon tCalc - a time calculator
World Clock - TimeZone Widget icon World Clock - TimeZone Widget
World Clock Widget icon World Clock Widget
World Clock Widget 2025 Pro icon World Clock Widget 2025 Pro

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