"Mon, 16 Dec 2024 20:17:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
20:17:39
General datetime
2024-12-16 20:17:39Z
For Database
2024-12-16 20:17:39
For HTTP1.1
Mon, 16 Dec 2024 20:17:39 GMT