"Sat, 01 Feb 2025 19:20:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
19:20:40
General datetime
2025-02-01 19:20:40Z
For Database
2025-02-01 19:20:40
For HTTP1.1
Sat, 01 Feb 2025 19:20:40 GMT