"Tue, 21 Jan 2025 14:53:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
14:53:51
General datetime
2025-01-21 14:53:51Z
For Database
2025-01-21 14:53:51
For HTTP1.1
Tue, 21 Jan 2025 14:53:51 GMT