"Sat, 01 Feb 2025 23:47:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
23:47:12
General datetime
2025-02-01 23:47:12Z
For Database
2025-02-01 23:47:12
For HTTP1.1
Sat, 01 Feb 2025 23:47:12 GMT