"Mon, 16 Dec 2024 19:40:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
19:40:38
General datetime
2024-12-16 19:40:38Z
For Database
2024-12-16 19:40:38
For HTTP1.1
Mon, 16 Dec 2024 19:40:38 GMT