"Mon, 16 Dec 2024 05:38:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
05:38:17
General datetime
2024-12-16 05:38:17Z
For Database
2024-12-16 05:38:17
For HTTP1.1
Mon, 16 Dec 2024 05:38:17 GMT