"Mon, 16 Dec 2024 20:16:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
20:16:51
General datetime
2024-12-16 20:16:51Z
For Database
2024-12-16 20:16:51
For HTTP1.1
Mon, 16 Dec 2024 20:16:51 GMT