"Sat, 01 Feb 2025 14:55:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
14:55:00
General datetime
2025-02-01 14:55:00Z
For Database
2025-02-01 14:55:00
For HTTP1.1
Sat, 01 Feb 2025 14:55:00 GMT