"Mon, 16 Dec 2024 03:55:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
03:55:18
General datetime
2024-12-16 03:55:18Z
For Database
2024-12-16 03:55:18
For HTTP1.1
Mon, 16 Dec 2024 03:55:18 GMT