Time

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General

See also Organising#Time management

Time zones

Calendar

For accounting: a 5 week month = 5 weeks including a Monday





  • When Can I Reuse This Calendar? - Did you find a 1989 Saved by the Bell calendar in your closet? Are you too cheap to throw out the 2019 calendar you never bothered to open? Now you can party like it's 1964 thanks to WhenCanIReuseThisCalendar.com!


Clocks



  • XTide - Harmonic tide clock and tide predictor


Radio

to sort


1h = 3600s 1d = 86400s 1w = 604800s 28d = 2419200s

http://jtnimoy.net/workviewer.php?q=178




Countdown

Unix epoch

while true; do echo "$(date +%s)" | figlet ; sleep 0.99 ; done
date -u -d @1400000000
  gives datetime in UTC

NTP


NTPsec

Linux


  • dateutils - a bunch of tools that revolve around fiddling with dates and times in the command line with a strong focus on use cases that arise when dealing with large amounts of financial data.