"Sat, 15 Jun 2024 04:14:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
04:14:24
General datetime
2024-06-15 04:14:24Z
For Database
2024-06-15 04:14:24
For HTTP1.1
Sat, 15 Jun 2024 04:14:24 GMT