- Location data incorrect for seasonal calculations
- Automatic seasonal adjustment disabled
- Daylight saving time not configured
Problem Description
Your smart circadian lighting system maintains fixed brightness and color temperature regardless of time of day or season. The lights do not shift from warm morning tones through energizing midday white and back to warm evening amber as they should. Circadian lighting systems rely on real-time clock data and geographic location to compute the correct color temperature curve — incorrect location, wrong timezone, or a disabled scheduling engine causes the system to use static values.
Symptoms
- Lights still follow summer schedule in winter
- Circadian timing not adjusting for shorter days
- Wake up lighting too late during winter
- Evening lighting transition wrong for season
- Daylight saving time changes ignored
- Lighting schedule stuck on old seasonal pattern
Recognize these? Here's what usually causes it.
Common Causes
- Location data incorrect for seasonal calculations
- Automatic seasonal adjustment disabled
- Daylight saving time not configured
- Firmware needs update for seasonal features
- Manual override blocking seasonal changes
- Geographic location changed but not updated
Most fixes happen in the first 3 steps.
Circadian lighting affects sleep patterns. Allow 1-2 weeks for body to adjust when enabling proper seasonal lighting schedules.
Step-by-Step Solution
Update Location Data for Accurate Seasonal Calculations
Verify correct location coordinates in circadian lighting app. Accurate latitude and longitude are essential for calculating proper seasonal sunrise sunset and daylight duration changes.
Enable Automatic Seasonal Adjustment
Check lighting app settings for automatic seasonal adjustment features. Enable options that allow system to modify lighting schedules based on changing daylight hours throughout year.
Configure Daylight Saving Time Settings
Ensure circadian lighting system is set to automatically adjust for daylight saving time changes. Some systems require manual configuration for time zone and DST handling.
Update Circadian Lighting Firmware
Install latest firmware updates that may include improved seasonal adjustment algorithms and better handling of geographic location changes for circadian timing.
Remove Manual Schedule Overrides
Delete any manual lighting schedules that may be preventing automatic seasonal adjustments. Manual overrides can block circadian system from adapting to natural daylight changes.
Quick Solutions
Still having issues? This is usually the deeper cause below.
If flickering only happens on dimming, the issue is almost always the dimmer's minimum-load setting, not the bulb — it's drawing less current than the dimmer expects.
Circadian lighting requires accurate location data and seasonal adjustment features to properly support natural sleep-wake cycles throughout the year.
This issue almost always looks more complex than it is — the majority of cases trace back to a single setting, a stale credential, or a default that shipped wrong.
- Location data incorrect for seasonal calculations
- Automatic seasonal adjustment disabled
- Daylight saving time not configured
- Firmware needs update for seasonal features
- Manual override blocking seasonal changes
Before you go — try one of these (they fix most cases).
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Official Manufacturer Manual
If you need the complete manufacturer documentation for advanced setup, wiring diagrams, or detailed specifications, you can download the official manual below. The manual includes full technical instructions directly from the manufacturer and may help if your issue requires deeper troubleshooting.
Download the Official Circadian Lighting System ManualSource: home-assistant.io
Need More Help? Home Assistant Support
Note: The contact information below connects you directly to Home Assistant's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.





