"Mon, 16 Dec 2024 20:42:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
20:42:57
General datetime
2024-12-16 20:42:57Z
For Database
2024-12-16 20:42:57
For HTTP1.1
Mon, 16 Dec 2024 20:42:57 GMT