changelog
use chrono API to determine the first monday in the year instead of calculating it
- Sat, 01 Feb 2025 14:11:46 +0100
- by Mike Becker <universe@uap-core.de> [Sat, 01 Feb 2025 14:11:46 +0100] rev 12
- use chrono API to determine the first monday in the year instead of calculating it
