"Tue, 21 Jan 2025 23:22:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
23:22:23
General datetime
2025-01-21 23:22:23Z
For Database
2025-01-21 23:22:23
For HTTP1.1
Tue, 21 Jan 2025 23:22:23 GMT