"Mon, 16 Dec 2024 23:51:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
23:51:40
General datetime
2024-12-16 23:51:40Z
For Database
2024-12-16 23:51:40
For HTTP1.1
Mon, 16 Dec 2024 23:51:40 GMT