"Thu, 19 Dec 2024 18:42:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
18:42:23
General datetime
2024-12-19 18:42:23Z
For Database
2024-12-19 18:42:23
For HTTP1.1
Thu, 19 Dec 2024 18:42:23 GMT