"Mon, 23 Dec 2024 15:27:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
15:27:51
General datetime
2024-12-23 15:27:51Z
For Database
2024-12-23 15:27:51
For HTTP1.1
Mon, 23 Dec 2024 15:27:51 GMT