"Tue, 18 Feb 2025 12:49:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250218
Only TIME
12:49:48
General datetime
2025-02-18 12:49:48Z
For Database
2025-02-18 12:49:48
For HTTP1.1
Tue, 18 Feb 2025 12:49:48 GMT