#timemath
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bryneclectic.bsky.social
February 30th has been an actual thing.
www.timeanddate.com/date/februar...
#calendars #timekeeping #error #JulianCalendar #GregorianCalendar #SovietUnion #USSR #RevolutionaryCalendar #TimeMath
February 30
February 30 actually existed at least twice in the past, according to historical records.
www.timeanddate.com
December 17, 2025 at 10:03 PM
nortrup.dev
Date format hot take a NATO date time group (DD-MMM-YYYY) is the best and least ambiguous date format. Others might be better for sorting. But for fast reading an clarity, I'll take 23 Jul 2025 over
- 2025-07-23
- 07/23/2025
- 23/07/2025
- 23/07/25

#date #timemath
July 23, 2025 at 10:43 PM
webby.tools
Hours Calculator

Calculate the hours and minutes between two times, or add and subtract multiple time durations. Supports 12-hour and 24-hour formats and spans past midnight. Free, instant, browser-based time calculator.

#TimeCalculator #HoursConverter #OnlineClock #DigitalClock #TimeMath
Hours Calculator
Calculate the hours and minutes between two times, or add and subtract multiple time durations. Supports 12-hour and 24-hour formats and spans past midnight. Free, instant, browser-based time calculator.
webby.tools
May 14, 2026 at 9:20 PM
webby.tools
Hours Calculator

Calculate the hours and minutes between two times, or add and subtract multiple time durations. Supports 12-hour and 24-hour formats and spans past midnight. Free, instant, browser-based time calculator.

#TimeCalculator #HoursConverter #OnlineClock #FreeTools #TimeMath
Hours Calculator
Calculate the hours and minutes between two times, or add and subtract multiple time durations. Supports 12-hour and 24-hour formats and spans past midnight. Free, instant, browser-based time calculator.
webby.tools
April 30, 2026 at 9:20 PM