"Tue, 21 May 2024 19:35:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
19:35:25
General datetime
2024-05-21 19:35:25Z
For Database
2024-05-21 19:35:25
For HTTP1.1
Tue, 21 May 2024 19:35:25 GMT