"Sat, 27 Jul 2024 10:16:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
10:16:20
General datetime
2024-07-27 10:16:20Z
For Database
2024-07-27 10:16:20
For HTTP1.1
Sat, 27 Jul 2024 10:16:20 GMT