"Thu, 15 Aug 2024 04:28:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
04:28:20
General datetime
2024-08-15 04:28:20Z
For Database
2024-08-15 04:28:20
For HTTP1.1
Thu, 15 Aug 2024 04:28:20 GMT