"Mon, 24 Jun 2024 02:23:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
02:23:21
General datetime
2024-06-24 02:23:21Z
For Database
2024-06-24 02:23:21
For HTTP1.1
Mon, 24 Jun 2024 02:23:21 GMT