"Sat, 25 May 2024 10:51:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
10:51:15
General datetime
2024-05-25 10:51:15Z
For Database
2024-05-25 10:51:15
For HTTP1.1
Sat, 25 May 2024 10:51:15 GMT