"Mon, 16 Dec 2024 09:35:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
09:35:11
General datetime
2024-12-16 09:35:11Z
For Database
2024-12-16 09:35:11
For HTTP1.1
Mon, 16 Dec 2024 09:35:11 GMT