"Mon, 16 Dec 2024 19:02:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
19:02:20
General datetime
2024-12-16 19:02:20Z
For Database
2024-12-16 19:02:20
For HTTP1.1
Mon, 16 Dec 2024 19:02:20 GMT