Module datetime

Common data and time functions.

Constants

MILLISECONDS_IN_SECOND

Number of milliseconds in one second.

NANOSECONDS_IN_MICROSECOND

Number of nanoseconds in one microsecond.

NANOSECONDS_IN_MILLISECOND

Number of nanoseconds in one millisecond.

NANOSECONDS_IN_SECOND

Number of nanoseconds in one second.

WEEKDAYS

List of weekdays (Monday to Friday).

Functions

add_n_months

Add n months to a chrono DateTime<Utc>.

floor_to_nearest_microsecond

Floor the given UNIX nanoseconds to the nearest microsecond.

is_leap_year

Basic leap-year check

is_within_last_24_hours

Check whether the given UNIX nanoseconds timestamp is within the last 24 hours.

last_day_of_month

Returns the last valid day of (year, month).

last_weekday_nanos

Calculates the last weekday (Mon-Fri) from the given year, month and day.

micros_to_nanos

Converts microseconds (μs) to nanoseconds (ns).

millis_to_nanos

Converts milliseconds (ms) to nanoseconds (ns).

nanos_to_micros

Converts nanoseconds (ns) to microseconds (μs).

nanos_to_millis

Converts nanoseconds (ns) to milliseconds (ms).

nanos_to_secs

Converts nanoseconds (ns) to seconds.

secs_to_millis

Converts seconds to milliseconds (ms).

secs_to_nanos

Converts seconds to nanoseconds (ns).

subtract_n_months

Subtract n months from a chrono DateTime<Utc>.

unix_nanos_to_iso8601

Converts a UNIX nanoseconds timestamp to an ISO 8601 (RFC 3339) format string.

unix_nanos_to_iso8601_millis

Converts a UNIX nanoseconds timestamp to an ISO 8601 (RFC 3339) format string with millisecond precision.