"Mon, 09 Dec 2024 12:54:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
12:54:39
General datetime
2024-12-09 12:54:39Z
For Database
2024-12-09 12:54:39
For HTTP1.1
Mon, 09 Dec 2024 12:54:39 GMT