"Mon, 16 Dec 2024 13:18:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
13:18:00
General datetime
2024-12-16 13:18:00Z
For Database
2024-12-16 13:18:00
For HTTP1.1
Mon, 16 Dec 2024 13:18:00 GMT