"Tue, 18 Feb 2025 19:32:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250218
Only TIME
19:32:56
General datetime
2025-02-18 19:32:56Z
For Database
2025-02-18 19:32:56
For HTTP1.1
Tue, 18 Feb 2025 19:32:56 GMT