Time - Instant as a numeric


Time such as:

can be represented as a numeric.

For instance:

  • julian: the number of days since noon in Greenwich on November 24, 4714 B.C. according to the proleptic Gregorian calendar.
    • at the second level: the number of seconds (or millisecond) from the Epoch (ie January 1, 1970 00:00:00.000 GMT (Gregorian).)
    • at the day level: An incrementing count of days where day 0 is 1970-01-01.

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Date - time part

The time part of an instant are the following components : Hour, Minute, Seconds from . Example: 02:00:00 hours 3600000 milli-seconds (a negative number is milliseconds before January...
Time - Date

A date is a moment at the day precision level in a calendar. The date data type is a time data type. It is is an ordered numeric that should not contain any time part date data typedatetime A...
Time - Julian Day Number (JDN)

Julian Day Number (JDN) is numeric time representation that is defined as: the number of days since noon in Greenwich (UTC) on November 24, the first day of 4714 B.C. according to the proleptic...
Time - Time representation (Moment, Instant)

This section goes over the representation of time in a scalar way versus in a collection way (ie time series) Time is basically a numeric counter that increases over time. An instant in time can be represented...

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