"Mon, 09 Dec 2024 14:55:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
14:55:27
General datetime
2024-12-09 14:55:27Z
For Database
2024-12-09 14:55:27
For HTTP1.1
Mon, 09 Dec 2024 14:55:27 GMT