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Astral Atlas
Wiki concept · Time & location

Nonexistent local time

Also called time gap

A clock reading skipped when clocks move forward; it cannot represent an instant under those local rules.

In this entry

Word origin · etymology

Descriptive computing label.

Nonexistent names a wall-clock reading skipped when clocks advance. Time gap describes that missing interval in local clock notation.

Python PEP 495: Local Time Disambiguation ↗

How we know · epistemology

Time-zone conversion rule

A forward clock change can leave a local reading with no corresponding instant. Software should surface that conflict; silently shifting the time adds information the record did not provide.

IANA: time-zone database ↗

Connected concepts

Browse other concepts in Time & location →

These links connect subjects and terminology. They do not establish a shared historical origin.

Sources & provenance

Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.

Find these sources across the wiki →

  1. IANA: time-zone database ↗
  2. Python PEP 495: Local Time Disambiguation ↗