"Sun, 19 May 2024 09:40:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
09:40:50
General datetime
2024-05-19 09:40:50Z
For Database
2024-05-19 09:40:50
For HTTP1.1
Sun, 19 May 2024 09:40:50 GMT