Haste Clock

Alternative date and time formats at a glance

Haste Clock on iPhone
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Also available on iPhone

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Modified Julian Date

Continuous day count since November 17, 1858. A variant of Julian Date optimized for the computer age.

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ISO Week Numbers

Week numbering standardized in ISO 8601, widely adopted by businesses and governments worldwide.

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Day of Year

Sequential day count with timezone letters following NATO convention.

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MCNWK

Modified Continuous Navigational Week – GPS week number without rollover, starting from Monday instead of Sunday.

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Stopwatch (Apple Watch)

A complementary stopwatch feature for quick timing needs on your Apple Watch.

Always Ready

Instant access through complications on your watch face.

Built for Those Who Need More Than Just the Date

Haste Clock provides specialized date and time formats for technical and scientific use. All calculations are performed locally on your device – no internet connection required.

100% Private – No data collection, no tracking, no ads

Get Haste Clock Today

Available for iPhone and Apple Watch

Download on the App Store