A guide refresh interval controls how often an application attempts an update; it does not determine how often the source publisher changes the schedule. More frequent attempts cannot create new events that the source does not yet provide.
Choose a routine that keeps useful dates available without confusing retrieval attempts with successful updates. The right comparison is the guide content that actually arrived and the period the household needs, not the smallest number offered by a settings menu.

Understand the update path
A remote guide, a local downloaded snapshot and the application’s displayed database can each have their own refresh step. If the player rereads a local file every hour but that file is replaced only once a week, the frequent reread does not make the underlying schedule current.
A player may also defer loading until data is needed or use cached resources. Its documented behaviour matters. Record the last observed successful update rather than assuming an enabled schedule ran exactly when expected while the device was sleeping or the application was closed.
Set a practical routine
If the source reports a failure, investigate that result rather than shortening the interval repeatedly. Frequent unsuccessful requests can create more noise without revealing whether the response is the expected guide. Preserve one clear error and the relevant time.
- Identify whether the configured guide is remote or a maintained local file.
- Check the application’s documented refresh and caching options.
- Compare the source’s actual date coverage with normal viewing needs.
- Choose an appropriate supported interval and avoid overlapping duplicate imports.
- Review the next actual refresh result and a known dated event.
Plan for exceptions
A major schedule correction may justify an explicit refresh even when the routine is otherwise sensible. That is a targeted action tied to a known change. It is different from constantly refreshing because a programme might change.
Keep time-zone and mapping adjustments separate from the interval. A regularly updated guide can still be associated with the wrong channel, and an infrequently changed schedule can still be accurate for its covered dates. Freshness, identity and time interpretation are distinct checks.
For a shared setup, record who maintains the source and how local snapshots are replaced. A simple note prevents one person from changing an interval while another is maintaining a different file. The useful outcome is predictable access to current schedule metadata, supported by observed updates and appropriate coverage, rather than a belief that the most aggressive setting guarantees the best guide.
Useful answers
Does a shorter interval make the publisher update faster?
No. It only changes the application’s retrieval routine.
Can frequent rereads of a local file still show old data?
Yes, if the local file itself has not been replaced.
Does a successful refresh prove channel mappings are correct?
No. Freshness and identity need separate checks.