"Fri, 17 May 2024 09:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
09:40:19
General datetime
2024-05-17 09:40:19Z
For Database
2024-05-17 09:40:19
For HTTP1.1
Fri, 17 May 2024 09:40:19 GMT