"Sun, 18 Aug 2024 04:19:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
04:19:32
General datetime
2024-08-18 04:19:32Z
For Database
2024-08-18 04:19:32
For HTTP1.1
Sun, 18 Aug 2024 04:19:32 GMT