"Thu, 19 Dec 2024 21:56:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
21:56:11
General datetime
2024-12-19 21:56:11Z
For Database
2024-12-19 21:56:11
For HTTP1.1
Thu, 19 Dec 2024 21:56:11 GMT