"Mon, 16 Dec 2024 15:36:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
15:36:34
General datetime
2024-12-16 15:36:34Z
For Database
2024-12-16 15:36:34
For HTTP1.1
Mon, 16 Dec 2024 15:36:34 GMT