UK BST Time Zone #270

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opened 2026-10-27 15:47:05 +01:00 by adam · 1 comment
Owner

Describe the bug
Can't get the TimeZone to update correctly.
Everything I set is always either in front or behind UK (BST) time

Which device are you using
LilyGO T-Deck

Which Firmware are you using
Latest Release (Today)

To Reproduce
Steps to reproduce the behavior:

  1. Go to '...'
  2. Click on '....'
  3. Scroll down to '....'
  4. See error

Additional context
Add any other context about the problem here.

**Describe the bug** Can't get the TimeZone to update correctly. Everything I set is always either in front or behind UK (BST) time **Which device are you using** LilyGO T-Deck **Which Firmware are you using** Latest Release (Today) **To Reproduce** Steps to reproduce the behavior: 1. Go to '...' 2. Click on '....' 3. Scroll down to '....' 4. See error **Additional context** Add any other context about the problem here. <!-- github-sync-id:4543992490 -->
Author
Owner

starting with v0.9.12.3:
NTP Timezone examples:

What you type Meaning
UTC or GMT UTC, no DST
UTC+2 Fixed UTC+2 (no DST)
UTC-5 Fixed UTC−5 (no DST)
CET Central Europe with DST (CET/CEST)
BST or UK UK with DST (GMT/BST)
EST US Eastern with DST

Advanced (POSIX — optional):

Region POSIX string
UK (GMT + BST) GMT0BST,M3.5.0/1,M10.5.0/2
Central Europe (CET + CEST) CET-1CEST,M3.5.0,M10.5.0/3
US Eastern EST5EDT,M3.2.0,M11.1.0

Do not use IANA names like Europe/London or Europe/Vienna — they are not supported on ESP32.

starting with v0.9.12.3: **NTP Timezone examples:** | What you type | Meaning | |---------------|---------| | `UTC` or `GMT` | UTC, no DST | | `UTC+2` | Fixed UTC+2 (no DST) | | `UTC-5` | Fixed UTC−5 (no DST) | | `CET` | Central Europe with DST (CET/CEST) | | `BST` or `UK` | UK with DST (GMT/BST) | | `EST` | US Eastern with DST | **Advanced (POSIX — optional):** | Region | POSIX string | |--------|----------------| | UK (GMT + BST) | `GMT0BST,M3.5.0/1,M10.5.0/2` | | Central Europe (CET + CEST) | `CET-1CEST,M3.5.0,M10.5.0/3` | | US Eastern | `EST5EDT,M3.2.0,M11.1.0` | **Do not use IANA names** like `Europe/London` or `Europe/Vienna` — they are not supported on ESP32. <!-- github-comment-id:4569233070 -->
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Reference: adam/meshcore#270