Split Intervals at Midnight

Split Intervals at Midnight

Usage

acti_split_intervals_at_midnight(start, end, timezone = NULL)

Arguments

start, end

Equally sized POSIXt vectors.

timezone

Optional Olson timezone used to define midnight.

Value

A data frame with input interval number and split start/end.

Note

Sleep, wear, and activity episodes can span dates; splitting them makes their durations and faceted daily displays unambiguous.

Examples

start = as.POSIXct("2020-01-01 23:30:00", tz = "UTC")
end = as.POSIXct("2020-01-02 00:30:00", tz = "UTC")
acti_split_intervals_at_midnight(start, end)
#>   interval               start                 end
#> 1        1 2020-01-01 23:30:00 2020-01-02 00:00:00
#> 2        1 2020-01-02 00:00:00 2020-01-02 00:30:00