"Mon, 09 Dec 2024 03:19:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
03:19:11
General datetime
2024-12-09 03:19:11Z
For Database
2024-12-09 03:19:11
For HTTP1.1
Mon, 09 Dec 2024 03:19:11 GMT