"Tue, 21 Jan 2025 12:54:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
12:54:42
General datetime
2025-01-21 12:54:42Z
For Database
2025-01-21 12:54:42
For HTTP1.1
Tue, 21 Jan 2025 12:54:42 GMT