Answer by Justin for CRON job to run on the last day of the month

I found out solution (On the last day of the month) like below from this site.

 0 0 0 L * ? *

CRON details:

Seconds Minutes Hours   Day Of Month    Month   Day Of Week  Year0       0       0       L               *       ?            *

To cross verify above expression, click here which gives output like below.

2021-12-31 Fri 00:00:002022-01-31 Mon 00:00:002022-02-28 Mon 00:00:002022-03-31 Thu 00:00:002022-04-30 Sat 00:00:00