"Mon, 16 Dec 2024 21:50:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
21:50:17
General datetime
2024-12-16 21:50:17Z
For Database
2024-12-16 21:50:17
For HTTP1.1
Mon, 16 Dec 2024 21:50:17 GMT