"Mon, 16 Dec 2024 18:19:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
18:19:37
General datetime
2024-12-16 18:19:37Z
For Database
2024-12-16 18:19:37
For HTTP1.1
Mon, 16 Dec 2024 18:19:37 GMT