datefn

adds days to a given date

adds months to a given date

adds weeks to a given date

gets localized day names

calculate the number of days between two dates

calculate the days until specified or current date

formats a date using a template string or preset

extracts the day of month from a date (1-31)

extracts the month from a date (1-12)

extracts the year from a date

gets the localized month names