Duration
Measure the time between supported start and end events on a record.
The Duration custom field calculates the time between two selected events on a record.

Supported events
Choose one of these events for the start point and one for the end point:
- Created at: When the record was created.
- Due date: The record’s due date.
- Marked as complete: When the record was marked as complete.
- Moved: When the record was moved to a different list.
- Tag added: When a specific tag was added to the record.
- Assignee added: When an assignee was added to the record.
- Custom field: A date value from a custom field on the record.
Use duration data
Use a Duration field to:
- Monitor service ticket or request resolution time for internal SLAs.
- Calculate sales cycle length from prospecting to a closed deal.
- Track order processing and fulfilment times.
- Measure manufacturing throughput from order to delivery.
- Determine patient wait times between intake and doctor visits.
- Analyze campaign lead nurturing time from prospect to customer.
- Track employee onboarding time from a job offer to full productivity.