"Mon, 09 Dec 2024 12:16:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
12:16:12
General datetime
2024-12-09 12:16:12Z
For Database
2024-12-09 12:16:12
For HTTP1.1
Mon, 09 Dec 2024 12:16:12 GMT