"Mon, 16 Dec 2024 12:15:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
12:15:23
General datetime
2024-12-16 12:15:23Z
For Database
2024-12-16 12:15:23
For HTTP1.1
Mon, 16 Dec 2024 12:15:23 GMT