"Tue, 21 Jan 2025 09:39:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
09:39:50
General datetime
2025-01-21 09:39:50Z
For Database
2025-01-21 09:39:50
For HTTP1.1
Tue, 21 Jan 2025 09:39:50 GMT