Function reference • almanac

Holidays

rholiday(): Create a recurring holiday

hol_observe() hol_offset() hol_rename(): Holiday utility functions

hol_christmas() hol_christmas_eve() hol_easter() hol_good_friday() hol_halloween() hol_new_years_day() hol_new_years_eve() hol_st_patricks_day() hol_valentines_day() hol_us_election_day() hol_us_fathers_day() hol_us_independence_day() hol_us_indigenous_peoples_day() hol_us_juneteenth() hol_us_labor_day() hol_us_martin_luther_king_junior_day() hol_us_memorial_day() hol_us_mothers_day() hol_us_presidents_day() hol_us_thanksgiving() hol_us_veterans_day(): Holidays

Calendars

rcalendar(): Create a recurring calendar

cal_events(): Calendar events

cal_match(): Calendar matching

cal_names(): Calendar names

cal_us_federal(): US federal calendar

cal_add() cal_remove(): Calendar additions and removals

cal_next() cal_previous(): Calendar locations

Recurrence rules

daily() weekly() monthly() yearly(): Create a recurrence rule

recur_for_count(): Control the number of times to recur

recur_on_day_of_month(): Recur on a day of the month

recur_on_day_of_week() recur_on_weekdays() recur_on_weekends(): Recur on a day of the week

recur_on_day_of_year(): Recur on a day of the year

recur_on_easter(): Recur on easter

recur_on_interval(): Recur on an interval

recur_on_month_of_year(): Recur on a month of the year

recur_on_position(): Recur on a position within a frequency

recur_on_week_of_year(): Recur on a week of the year

recur_with_week_start(): Control the start of the week

Recurrence types

runion() rintersect() rsetdiff(): Create a new set-based recurrence schedule

rcustom(): Create a custom rschedule

roffset(): Create an offset rschedule

radjusted(): Create an adjusted rschedule

Recurrence utilities

alma_in(): Check if dates are in an event set

alma_search(): Search for events

alma_seq(): Generate date sequences

alma_next() alma_previous(): Generate the next or previous event

alma_events(): Get all events

alma_step(): Step relative to an rschedule

stepper() `%s+%` `%s-%` workdays(): Create a new stepper

Adjustments

adj_following() adj_preceding() adj_modified_following() adj_modified_preceding() adj_nearest() adj_none(): Date adjustments

Developer tools

new_rschedule() rschedule_events(): Create a new rschedule

almanac_since() almanac_until(): Default values in almanac

Compatibility

vec_arith(<almanac_stepper>) vec_ptype2(<almanac_stepper.almanac_stepper>) vec_cast(<almanac_stepper.almanac_stepper>): vctrs compatibility functions