"Tue, 21 Jan 2025 08:21:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
08:21:58
General datetime
2025-01-21 08:21:58Z
For Database
2025-01-21 08:21:58
For HTTP1.1
Tue, 21 Jan 2025 08:21:58 GMT