"Mon, 13 May 2024 00:35:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
00:35:47
General datetime
2024-05-13 00:35:47Z
For Database
2024-05-13 00:35:47
For HTTP1.1
Mon, 13 May 2024 00:35:47 GMT