"Sun, 18 Aug 2024 02:48:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
02:48:52
General datetime
2024-08-18 02:48:52Z
For Database
2024-08-18 02:48:52
For HTTP1.1
Sun, 18 Aug 2024 02:48:52 GMT