"Tue, 21 Jan 2025 07:38:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
07:38:56
General datetime
2025-01-21 07:38:56Z
For Database
2025-01-21 07:38:56
For HTTP1.1
Tue, 21 Jan 2025 07:38:56 GMT