Historical clock change

Santiago TV guide clock change on 05 April 2025

The local time 23:30 on 05 April 2025 is repeated in America/Santiago. Use an explicit offset when mapping the affected programme.

The local time 23:30 on 05 April 2025 is repeated in America/Santiago. Use an explicit offset when mapping the affected programme.

What the time zone rules produce

Historical IANA example for America/Santiago with a 60-minute wall-clock change.
MomentLocal schedule timeUTC
One second before the change2025-04-05 23:59:59 -032025-04-06 02:59:59 UTC
At the change2025-04-05 23:00:00 -042025-04-06 03:00:00 UTC

The same wall time refers to two instants

Both examples show 23:30 in America/Santiago on the named date.
Explicit XMLTV-style startCorresponding UTC
20250405233000 -03002025-04-06 02:30:00 UTC
20250405233000 -04002025-04-06 03:30:00 UTC

If the EPG shows the wrong slot

Keep the original offset or UTC instant to determine which showing the source means. A global offset would move unrelated programmes.

Sources and further reading