"Thu, 19 Dec 2024 20:39:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
20:39:02
General datetime
2024-12-19 20:39:02Z
For Database
2024-12-19 20:39:02
For HTTP1.1
Thu, 19 Dec 2024 20:39:02 GMT