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 by:

As Time is also used to represent the fractional part of a day (ie hour, minute, second), we used the term item of type time instead

An item of type Time is defined at different level (known also as precision) such as:

  • year
  • month
  • day
  • hour
  • minute
  • second level.

A amount of time is called a duration or period.

A time is on the timeline when it has the concept of timezone.

The second is the base unit of time (ie 86400 = 1 day).

Modern timekeeping is based on atomic clocks.

The time numeral system is based on the Babylonian numeral system, base-60, ie:

  • 60 minutes in an hour.
  • 60 seconds in a minute.

The world wide time standard is UTC that defines uniquely when an event has occurred without taking into account any:


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