Module datetime 

Canonical date/datetime parsing and formatting helpers. Canonical Date/Datetime handling backed by Chrono’s ISO-8601 calendar implementation. RushDB stores instants as UTC epoch milliseconds.

Functions

component_of

Extract one calendar component from epoch milliseconds, using Chrono’s field order: 0 year, 1 month, 2 day, 3 hour, 4 minute, 5 second, 6 millisecond, 7 microsecond, 8 nanosecond.

components_to_epoch_ms

Build epoch milliseconds from validated calendar components.

components_to_epoch_ms_checked

Convert calendar components to epoch milliseconds, rejecting values that fall outside the representable range.

is_datetime_string

Report whether a string parses as any supported datetime form.

json_datetime_ms

Extract epoch milliseconds from a JSON number or datetime string.

ms_to_datetime_string

Serialize epoch milliseconds as a date at midnight UTC, otherwise as an RFC-3339 UTC timestamp with millisecond precision.

parse_datetime

Parse a date-only value, RFC 3339 timestamp, or timezone-less ISO local datetime (defined by RushDB as UTC) into epoch milliseconds.

start_of_month

Epoch milliseconds for the first instant of the calendar month containing ms.

start_of_quarter

Start of the 3-month calendar quarter containing ms (quarters start at months 1, 4, 7, 10).

start_of_year

Epoch milliseconds for the first instant of the calendar year containing ms.