"Mon, 09 Dec 2024 06:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
06:21:13
General datetime
2024-12-09 06:21:13Z
For Database
2024-12-09 06:21:13
For HTTP1.1
Mon, 09 Dec 2024 06:21:13 GMT