"Mon, 16 Dec 2024 04:39:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
04:39:13
General datetime
2024-12-16 04:39:13Z
For Database
2024-12-16 04:39:13
For HTTP1.1
Mon, 16 Dec 2024 04:39:13 GMT