"Sat, 01 Feb 2025 04:18:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
04:18:50
General datetime
2025-02-01 04:18:50Z
For Database
2025-02-01 04:18:50
For HTTP1.1
Sat, 01 Feb 2025 04:18:50 GMT