Historical clock change

Sofia TV guide clock change on 30 March 2025

The local time 03:30 on 30 March 2025 is skipped in Europe/Sofia. Use an explicit offset when mapping the affected programme.

The local time 03:30 on 30 March 2025 is skipped in Europe/Sofia. Use an explicit offset when mapping the affected programme.

What the time zone rules produce

Historical IANA example for Europe/Sofia with a 60-minute wall-clock change.
MomentLocal schedule timeUTC
One second before the change2025-03-30 02:59:59 EET2025-03-30 00:59:59 UTC
At the change2025-03-30 04:00:00 EEST2025-03-30 01:00:00 UTC

The missing wall time cannot represent a programme instant

The clock moves from 03:00 to 04:00 at the boundary. Round-tripping 03:30 from local time through UTC finds no matching instant.

If the EPG shows the wrong slot

Ask for a corrected local time or the explicit UTC instant. Check the exporter before shifting the whole guide.

Other location records with this same transition include Europe/Sofia, Asia/Nicosia, Asia/Famagusta, Europe/Tallinn, Europe/Helsinki, Europe/Athens, Europe/Riga, Europe/Vilnius. Confirm the intended location from your actual broadcaster.

Sources and further reading