"Sat, 18 May 2024 09:08:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
09:08:33
General datetime
2024-05-18 09:08:33Z
For Database
2024-05-18 09:08:33
For HTTP1.1
Sat, 18 May 2024 09:08:33 GMT