"Mon, 16 Dec 2024 20:21:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
20:21:43
General datetime
2024-12-16 20:21:43Z
For Database
2024-12-16 20:21:43
For HTTP1.1
Mon, 16 Dec 2024 20:21:43 GMT