Added test functions - is_date() - is_date_time() - is_time() Added get functions for default time zone. - dtt_sys_date() - dtt_sys_date_time() - dtt_sys_time() - Added to get POSIXct object with year set to 1972. - dtt_dayte_time().
dtt_date_add_time() to add times to Dates vectors.dtt_diff() to get time differences.dtt_set_date() and dtt_set_time() to set dates and times.first = NULL argument to dtt_season() to allow setting of first season in year.dtt_season() now returns factor as opposed to ordered factor.dtt_wday() to get weekday as a character vector.chk_time() and vld_time() to check and validate that non-missing hms::hms scalar.check_tz() for chk::chk_identical(dtt_tz(x), tz)NEWS.md file to track changes to the package.