Privacy Policy for Dawn Time

Version: 1
Effective date: September 8, 2026

This file is the source of truth. GitLab Pages publishes it at https://dawntime.blackhawkelectronics.com/privacy/. When this copy changes, bump Version in frontmatter and PrivacyPolicy.VERSION in :core if existing users should be prompted.

Developer: Blackhawk Electronics
Apps: Dawn Time Personal Clock (Android phone), Dawn Time (Wear OS), and the Dawn Time watch face
Website: https://dawntime.blackhawkelectronics.com
Contact: privacy@blackhawkelectronics.com

Dawn Time is a personal clock aligned to first light at a home you choose. We do not run a Dawn Time account, login, or cloud backend. Settings, alarms, and home coordinates live on your devices.

What we collect

We do not collect analytics, advertising IDs, crash reports, or usage telemetry of our own. We do not sell your information. We do not show ads.

Data the apps store is for running the clock, alarms, and watch complications.

Home location (required)

To compute dawn, sunrise, sunset, and dusk, the phone stores:

latitude and longitude
time zone (for example America/New_York)

You can type coordinates, tap Use current location (a one-time GPS/network fix), or type an address during setup. The watch never requests location. After a successful fix, the phone does not keep GPS running and does not use background location, geofences, or continuous updates.

If you type an address, Android’s geocoder (on Google Play devices, typically Google) may receive that address to convert it to coordinates. We store coordinates and time zone, not the street. A short on-screen label such as city and region may appear during setup; the street is not saved as home.

Preferences and alarms (on device)

Stored locally on the phone and, when a Dawn Time watch is paired, copied to the watch over Wear OS Data Layer:

pin event and pin hour (when first light should read on the clock)
12-hour or 24-hour display and sun-wheel marks
alarms, bedtime companions, sounds, vibrate, snooze
animals you keep (homestead chore filters)
onboarding answers such as desired sleep length and first home-zone task (when you enter them)
“sleeping early” for tonight only

Sun times are calculated on the device. No network is required after home is set.

Optional Google Calendar overlay (phone only)

If you turn on Google Calendar on the wheel, the phone reads today’s timed events from the on-device calendar provider. We use start and end times only, to draw teal arcs on the sun-wheel. We do not store event titles, descriptions, attendees, or locations. Calendar data is not sent to the watch or to us.

You can refuse this permission and skip the calendar step. The overlay then stays off.

Watch sensors (optional; for bedtime skip and smart wake)

On Wear OS, with your permission:

Activity / asleep to skip tonight’s bedtime reminder when the watch is worn and reports asleep, and to help smart wake.
Heart rate only inside the smart-wake window before dawn, to ring during a lighter period. On Wear OS 6 (API 36+), Dawn Time requests health.READ_HEART_RATE and health.READ_HEALTH_DATA_IN_BACKGROUND; on older Wear, BODY_SENSORS (and BODY_SENSORS_BACKGROUND when applicable). Heart-rate values stay on the watch. They are not uploaded to us, Health Connect, or Google Fit.
Off-body sensing so “asleep” is trusted only when the watch is worn.

The phone may receive a small sleep flag from the watch (worn / asleep, plus a timestamp) over Data Layer so bedtime skip and smart-wake backup work. That is a yes/no state, not a heart-rate log.

Phone-only setups ring at dawn. We do not infer sleep from the phone.

Household export (not in this version)

A later release may let you export a JSON file of preferences and alarms (including home coordinates) to seed a desktop app. This version does not include that export. We would never receive the file unless you sent it to us.

How data moves between your devices

Phone ↔ watch: Wear OS Data Layer via Google Play services (settings, alarms, sleep flags). Same application id on both devices. No Dawn Time server.

Google Play, Wear OS, Android backup, and your device manufacturer may process data under their own policies when you use their services (location lookup, Wear sync, app backup, store crash stats). That processing is not a Dawn Time account.

Why we use this data

Data	Purpose
Home coordinates and time zone	Compute first light and other sky events; schedule alarms
Typed address (transient)	One-time geocode to fill home
One-shot location	Fill home when you tap the button
Alarms and preferences	Ring at the next instant; show the sun-wheel and complications
Calendar start/end (optional)	Draw today’s events on the phone wheel
Asleep / worn / heart rate on watch	Skip bedtime when asleep; smart wake that still ends at first light
Notifications and exact alarms	Deliver alarms and reminders you enabled

We do not use this data for advertising, profiling, or selling lists.

Permissions (summary)

Phone: location (optional, to fill home), calendar (optional overlay), notifications, exact alarms, vibrate, boot/timezone reschedule, foreground service to play an alarm.

Watch: notifications, exact alarms, vibrate, activity recognition, and heart-rate access for smart wake (health.READ_HEART_RATE + health.READ_HEALTH_DATA_IN_BACKGROUND on API 36+; BODY_SENSORS on older Wear). The watch does not request location.

You can deny optional permissions. Home can be typed as coordinates. Calendar overlay and smart wake stay off without their permissions.

Storage, backup, and deletion

Data is stored in app storage on your devices. If you use Android backup, Google or your backup provider may copy app data (including home coordinates and alarms) according to that backup’s policy.

To delete Dawn Time data:

Uninstall the phone app, Wear app, and watch face.
If you use Android backup, delete this app’s backup from your Google Account backup settings if you do not want a restored copy.
Uninstalling the phone app does not always wipe the watch copy; uninstall Dawn Time on the watch as well.

We cannot remotely delete data we do not hold. If you emailed us a support attachment, ask us to delete that copy.

Children

Dawn Time is a personal clock for adults setting a household routine. It is not directed at children under 13, and we do not knowingly collect personal information from children.

Your rights

Depending on where you live (including the EEA, UK, and California), you may have rights to access, correct, delete, or restrict processing of personal data, and to object to certain processing. Because we do not operate a Dawn Time cloud account, most of this is done on your devices (edit home and alarms in Settings, or uninstall). For a copy we might hold from email support, contact us.

We do not sell personal information and we do not share it for cross-context behavioral advertising.

Changes

If we add a cloud account, analytics, or a new data use, we will update this policy and the in-app version. When the shipped version is newer than the version you last continued past, the phone shows an alert with a link to review.

Contact

Blackhawk Electronics
Email: privacy@blackhawkelectronics.com
Web: https://dawntime.blackhawkelectronics.com

For the apps: Dawn Time Personal Clock (com.blackhawkelectronics.dawntime on phone and watch) and Dawn Time watch face (com.blackhawkelectronics.dawntime.watchface).