London Unified Prayer Timetable
Published annual prayer-start data: https://londonsalahtimes.com/downloads/
Method and geographic coverage: https://londonsalahtimes.com/technical/
2026, 2027 and 2028 workbooks. Source URLs and SHA-256 hashes are recorded in
src/data/london-unified.json. These are published London start times, including
the publisher's margins, GMT/BST and both Asr conventions. They are not mosque
congregation times. No endorsement by the publisher is implied.

London coverage boundary
Copyright OpenStreetMap contributors, https://www.openstreetmap.org/copyright
Derived from M25 relation 106164 and A282 relation 3929584, with connecting
A282 ways 244897935, 27710625, 1126385858, 1126385859, 1126385857 and 1126385860.
The simplified boundary database is distributed under the Open Data Commons
Open Database License 1.0: https://opendatacommons.org/licenses/odbl/1-0/
Download the derived boundary database: ./timetables/m25-coverage.json
Runtime coverage excludes a 250-metre band near the road to keep automatic
selection conservative. This is a coverage check, not a navigation map.