"Sun, 18 Aug 2024 00:39:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
00:39:55
General datetime
2024-08-18 00:39:55Z
For Database
2024-08-18 00:39:55
For HTTP1.1
Sun, 18 Aug 2024 00:39:55 GMT