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jido/clock.r

Last active April 16, 2022 20:18
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EST becomes EDT
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clock.r
> library(clock)
> x <- as.POSIXct("2020-11-01 00:30:00", "America/New_York")
> x <- add_hours(x, 0:2)
> x
[1] "2020-11-01 00:30:00 EDT" "2020-11-01 01:30:00 EDT"
[3] "2020-11-01 01:30:00 EST"
> add_years(x, 1)
[1] "2021-11-01 00:30:00 EDT" "2021-11-01 01:30:00 EDT"
[3] "2021-11-01 01:30:00 EDT"
> add_years(x, -1)
[1] "2019-11-01 00:30:00 EDT" "2019-11-01 01:30:00 EDT"
[3] "2019-11-01 01:30:00 EDT"
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