"Mon, 16 Dec 2024 05:43:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
05:43:23
General datetime
2024-12-16 05:43:23Z
For Database
2024-12-16 05:43:23
For HTTP1.1
Mon, 16 Dec 2024 05:43:23 GMT