"Thu, 19 Dec 2024 21:55:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
21:55:48
General datetime
2024-12-19 21:55:48Z
For Database
2024-12-19 21:55:48
For HTTP1.1
Thu, 19 Dec 2024 21:55:48 GMT