"Tue, 14 May 2024 00:35:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
00:35:54
General datetime
2024-05-14 00:35:54Z
For Database
2024-05-14 00:35:54
For HTTP1.1
Tue, 14 May 2024 00:35:54 GMT