"Sat, 01 Feb 2025 19:21:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
19:21:25
General datetime
2025-02-01 19:21:25Z
For Database
2025-02-01 19:21:25
For HTTP1.1
Sat, 01 Feb 2025 19:21:25 GMT