Yes, use the cron scheduler e.g.
30 15 * * *
The above for every day at 3:30pm, the below for every hour on the half hour:
30 * * * *
Yes, use the cron scheduler e.g.
30 15 * * *
The above for every day at 3:30pm, the below for every hour on the half hour:
30 * * * *