"Tue, 21 May 2024 12:47:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
12:47:29
General datetime
2024-05-21 12:47:29Z
For Database
2024-05-21 12:47:29
For HTTP1.1
Tue, 21 May 2024 12:47:29 GMT