Module datetime 

Date and time builtins: Sys.Date, as.Date, as.POSIXct, format.Date, etc.

Uses the jiff crate for timezone-aware date/time operations. R stores dates as doubles with class attributes:

• Date: days since 1970-01-01
• POSIXct: seconds since epoch, class = c(“POSIXct”, “POSIXt”)

Enums

DateTimeError

Constants

EPOCH 🔒

The Unix epoch as a jiff Date.

Statics

__BUILTIN_REG_BUILTIN_AS_DATE 🔒

__BUILTIN_REG_BUILTIN_AS_POSIXCT 🔒

__BUILTIN_REG_BUILTIN_AS_POSIXLT 🔒

__BUILTIN_REG_BUILTIN_DATE 🔒

__BUILTIN_REG_BUILTIN_DIFFTIME 🔒

__BUILTIN_REG_BUILTIN_FORMAT_DATE 🔒

__BUILTIN_REG_BUILTIN_FORMAT_POSIXCT 🔒

__BUILTIN_REG_BUILTIN_MONTHS 🔒

__BUILTIN_REG_BUILTIN_QUARTERS 🔒

__BUILTIN_REG_BUILTIN_STRFTIME 🔒

__BUILTIN_REG_BUILTIN_STRPTIME 🔒

__BUILTIN_REG_BUILTIN_SYS_DATE 🔒

__BUILTIN_REG_BUILTIN_SYS_TIME 🔒

__BUILTIN_REG_BUILTIN_WEEKDAYS 🔒

__INTERP_REG_INTERP_PRINT_DATE 🔒

__INTERP_REG_INTERP_PRINT_DIFFTIME 🔒

__INTERP_REG_INTERP_PRINT_POSIXCT 🔒

Functions

builtin_as_date 🔒

Convert a character string or numeric value to a Date object.

builtin_as_posixct 🔒

Convert a character string or numeric value to a POSIXct date-time.

builtin_as_posixlt 🔒

Convert a value to a POSIXlt (broken-down time) list representation.

builtin_date 🔒

Return the current date and time as a character string.

builtin_difftime 🔒

Compute the time difference between two date-time values.

builtin_format_date 🔒

Format a Date object as a character string.

builtin_format_posixct 🔒

Format a POSIXct object as a character string.

builtin_months 🔒

Extract the month name from a Date object.

builtin_quarters 🔒

Extract the quarter from a Date object.

builtin_strftime 🔒

Format a POSIXct date-time as a character string.

builtin_strptime 🔒

Parse a character string into a POSIXct date-time using a format specification.

builtin_sys_date 🔒

Get the current date.

builtin_sys_time 🔒

Get the current date-time as a POSIXct value.

builtin_weekdays 🔒

Extract the day-of-week name from a Date object.

civil_to_zoned 🔒

Convert a civil DateTime to a Zoned datetime in the given timezone.

date_to_days 🔒

Convert a jiff Date to days-since-epoch (f64).

days_to_date 🔒

Convert days-since-epoch (f64) to a jiff Date.

extract_date_component 🔒

Helper: extract a string component from each date in a Date vector.

interp_print_date 🔒

Print a Date object to stdout.

interp_print_difftime 🔒

Print a difftime object to stdout.

interp_print_posixct 🔒

Print a POSIXct object to stdout.

parse_date_string 🔒

Try common date formats in order.

parse_datetime_string 🔒

Try common datetime formats.

r_date 🔒

Build an RValue with class = “Date”.

r_date_vec 🔒

Build a Date vector with class attr from days values.

r_posixct 🔒

Build an RValue with class = c(“POSIXct”, “POSIXt”).

r_posixct_vec 🔒

Build a POSIXct vector from multiple seconds values.

resolve_origin 🔒

Resolve the ‘origin’ argument for numeric→Date conversion.

secs_to_timestamp 🔒

Convert seconds-since-epoch (f64) to a jiff Timestamp.

timestamp_to_secs 🔒

Extract seconds-since-epoch from a Timestamp.

translate_format 🔒

Map R strftime codes to jiff strftime codes. Most are identical; R’s %OS (fractional seconds) maps to %S%.f.