"Mon, 09 Dec 2024 09:40:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
09:40:02
General datetime
2024-12-09 09:40:02Z
For Database
2024-12-09 09:40:02
For HTTP1.1
Mon, 09 Dec 2024 09:40:02 GMT