"Thu, 15 Aug 2024 04:39:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
04:39:19
General datetime
2024-08-15 04:39:19Z
For Database
2024-08-15 04:39:19
For HTTP1.1
Thu, 15 Aug 2024 04:39:19 GMT