"Mon, 09 Dec 2024 11:18:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
11:18:13
General datetime
2024-12-09 11:18:13Z
For Database
2024-12-09 11:18:13
For HTTP1.1
Mon, 09 Dec 2024 11:18:13 GMT