"Mon, 19 Aug 2024 16:11:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
16:11:09
General datetime
2024-08-19 16:11:09Z
For Database
2024-08-19 16:11:09
For HTTP1.1
Mon, 19 Aug 2024 16:11:09 GMT