"Mon, 09 Dec 2024 13:18:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
13:18:54
General datetime
2024-12-09 13:18:54Z
For Database
2024-12-09 13:18:54
For HTTP1.1
Mon, 09 Dec 2024 13:18:54 GMT