"Thu, 19 Dec 2024 08:21:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
08:21:36
General datetime
2024-12-19 08:21:36Z
For Database
2024-12-19 08:21:36
For HTTP1.1
Thu, 19 Dec 2024 08:21:36 GMT