"Sat, 11 May 2024 00:27:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
00:27:51
General datetime
2024-05-11 00:27:51Z
For Database
2024-05-11 00:27:51
For HTTP1.1
Sat, 11 May 2024 00:27:51 GMT