"Mon, 09 Dec 2024 20:21:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
20:21:48
General datetime
2024-12-09 20:21:48Z
For Database
2024-12-09 20:21:48
For HTTP1.1
Mon, 09 Dec 2024 20:21:48 GMT