"Mon, 16 Dec 2024 20:23:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
20:23:08
General datetime
2024-12-16 20:23:08Z
For Database
2024-12-16 20:23:08
For HTTP1.1
Mon, 16 Dec 2024 20:23:08 GMT