"Sun, 18 Aug 2024 15:42:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
15:42:41
General datetime
2024-08-18 15:42:41Z
For Database
2024-08-18 15:42:41
For HTTP1.1
Sun, 18 Aug 2024 15:42:41 GMT