"Thu, 19 Dec 2024 13:11:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
13:11:39
General datetime
2024-12-19 13:11:39Z
For Database
2024-12-19 13:11:39
For HTTP1.1
Thu, 19 Dec 2024 13:11:39 GMT