Historical clock change

Broken Hill TV guide clock change on 06 April 2025

The local time 02:30 on 06 April 2025 is repeated in Australia/Broken_Hill. Use an explicit offset when mapping the affected programme.

The local time 02:30 on 06 April 2025 is repeated in Australia/Broken_Hill. Use an explicit offset when mapping the affected programme.

What the time zone rules produce

Historical IANA example for Australia/Broken_Hill with a 60-minute wall-clock change.
MomentLocal schedule timeUTC
One second before the change2025-04-06 02:59:59 ACDT2025-04-05 16:29:59 UTC
At the change2025-04-06 02:00:00 ACST2025-04-05 16:30:00 UTC

The same wall time refers to two instants

Both examples show 02:30 in Australia/Broken_Hill on the named date.
Explicit XMLTV-style startCorresponding UTC
20250406023000 +10302025-04-05 16:00:00 UTC
20250406023000 +09302025-04-05 17:00:00 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.

Other location records with this same transition include Australia/Broken_Hill, Australia/Adelaide. Confirm the intended location from your actual broadcaster.

Sources and further reading