Cron [removed]Quartz) for a program to run every midnight at 12 am

Question

What is the cron expression in Quartz Scheduler to run a program at 12 am every midnight GMT.

I have never used quartz before so I am still learning.

Is the

Answer 1

The following graph shows what it consists of:

* * * * * *
| | | | | | 
| | | | | +-- Year              (range: 1900-3000)
| | | | +---- Day of the Week   (range: 1-7, 1 standing for Monday)
| | | +------ Month of the Year (range: 1-12)
| | +-------- Day of the Month  (range: 1-31)
| +---------- Hour              (range: 0-23)
+------------ Minute            (range: 0-59)

Cron Expression for a program to run every midnight at 12 am.

0 0 0 1/1 * ? *

A great website to create your own Cron Expression easily without much knowledge of Cron Expression : Cron Maker

It will help you build your own cron expression and show you the next firing date times of your cron like this.

1.  Wednesday, July 6, 2016 12:00 AM
2.  Thursday, July 7, 2016 12:00 AM
3.  Friday, July 8, 2016 12:00 AM
4.  Saturday, July 9, 2016 12:00 AM
5.  Sunday, July 10, 2016 12:00 AM .....