"Tue, 21 Jan 2025 23:47:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
23:47:02
General datetime
2025-01-21 23:47:02Z
For Database
2025-01-21 23:47:02
For HTTP1.1
Tue, 21 Jan 2025 23:47:02 GMT