"Sun, 22 Dec 2024 14:18:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
14:18:13
General datetime
2024-12-22 14:18:13Z
For Database
2024-12-22 14:18:13
For HTTP1.1
Sun, 22 Dec 2024 14:18:13 GMT