Package dateutils

Command-line date and time calculation, conversion, and comparison

http://www.fresse.org/dateutils/

Tools which revolve around fiddling with dates and times on the command
line, with a strong focus on use cases that arise when dealing with large
amounts of financial data.

General Commands
Command Description
dateadd Add DURATION to DATE/TIME and print the result.
dateconv Convert DATE/TIMEs between calendrical systems.
datediff Compute duration from DATE/TIME (the reference date/time) to the other
dategrep Grep standard input for lines that match EXPRESSION.
dateround Round DATE/TIME to the next occurrence of RNDSPEC.
dateseq Generate a sequence of date/times from FIRST to LAST, optionally in steps of
datesort Sort contents of FILE chronologically.
datetest Like test(1) but for dates.
dateutils command line date and time utilities
datezone Convert DATE/TIMEs between timezones.
strptime Parse input from stdin according to one of the given formats FORMATs.