"Sat, 01 Feb 2025 16:23:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
16:23:03
General datetime
2025-02-01 16:23:03Z
For Database
2025-02-01 16:23:03
For HTTP1.1
Sat, 01 Feb 2025 16:23:03 GMT