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Lunar time unit classes

Source: R/cal0_time_lunar.R
calendar_time_lunar.Rd

Time unit constructors for the lunar time system where the boundary of each day is at sunrise, sunset, or noon. This calendar is intended to be built on by other calendars to add common time components.

Usage

cal_time_lunar

Format

A location-based calendar containing lunar time units.

Details

The following time units are available in the lunar calendar systems.

  • month(): Synodic month unit

  • phase(): Synodic phase unit

See also

cal_time_civil_midnight

Examples

# Find the time of a new moon in the Gregorian calendar
t <- linear_time(Sys.Date(), cal_time_lunar$month(1L, lat = -37.8136, lon = 144.9631))
datetime(t, tz = "Australia/Melbourne")
#> <mixtime[1]>
#> [1] 2026-03-19 12:25:48 AEDT