"Tue, 21 Jan 2025 09:39:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
09:39:43
General datetime
2025-01-21 09:39:43Z
For Database
2025-01-21 09:39:43
For HTTP1.1
Tue, 21 Jan 2025 09:39:43 GMT