"Tue, 21 Jan 2025 14:43:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
14:43:39
General datetime
2025-01-21 14:43:39Z
For Database
2025-01-21 14:43:39
For HTTP1.1
Tue, 21 Jan 2025 14:43:39 GMT