"Mon, 09 Dec 2024 21:35:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
21:35:30
General datetime
2024-12-09 21:35:30Z
For Database
2024-12-09 21:35:30
For HTTP1.1
Mon, 09 Dec 2024 21:35:30 GMT