Gnomon · iOS

Solar alarm Shortcuts

Turn Gnomon's solar-computed marker times into real iOS Clock alarms with Siri Shortcuts.

Gnomon computes day-parts (dawn, sunrise, midday, sunset…) from the sun's position at your location and publishes them for Shortcuts. Gnomon's own alarms are time-sensitive notifications; if you want a real Clock alarm that rings over silent mode, these shortcuts feed its marker times into the Clock app's Create Alarm action.

Add to Shortcuts Full docs on GitHub

Open the Add to Shortcuts link on an iPhone or iPad. iCloud shortcut links only resolve in Apple's Shortcuts app, so it may look broken in a desktop browser — tap it on your device.

Coming to Android

A Gnomon app for Android is on the way to Google Play. These Siri Shortcut recipes are iOS-only — on Android, Gnomon's own alarms cover the same ground natively, so you won't need them.

Before you start

Open Gnomon once and let it get your location — that publishes your marker times to the shared store the shortcuts read. The actions then appear under Gnomon when you add an action in the Shortcuts app.

The building blocks

Three actions under Gnomon return Time, Label and Changed, and bake in the app's rules — only markers whose alarm you've enabled; Sunrise rings 30 minutes early when no Dawn/Fajr alarm is set; and Changed is off when the time moved less than the threshold.

Next Alarm Plan — the single next enabled marker.
Alarm Plan for Marker — one marker you pick (returned even if its in-app bell is off).
Today's Alarm Plans — a list, one per enabled marker, to loop over.

Each action has a Re-set only if moved by (minutes) field (default 6) — the change threshold, adjustable right in the shortcut.

1 · One-time refresh

Replaces the next marker's alarm — deletes the old one and creates the new, so you always have exactly one current alarm for it.

1. Next Alarm Plan (Gnomon) → Time, Label, Changed 2. If [Changed] is 1 3. Find Alarms where Label is [Label] (Clock) 4. Delete Alarms ( result of step 3 ) 5. Create Alarm Time = [Time] Label = [Label] Repeat = off 6. End If

Name it Refresh Gnomon Alarm. When nothing moved (Changed is 0) it leaves the existing alarm alone.

2 · Daily refresh (hands-free)

Run the refresh on a schedule so it stays current without a tap.

Shortcuts ▸ Automation ▸ + ▸ Time of Day • 3:07 AM, Daily (an off-the-hour minute is fine) • Run Immediately (not "Ask Before Running") • Action: Run Shortcut ▸ Refresh Gnomon Alarm

Gnomon keeps about a week of times cached, so a 3 AM run always has fresh data.

3 · Full daily set (all enabled markers)

Keep one alarm per enabled marker current, replaced in place.

1. Today's Alarm Plans (Gnomon) → a list of plans 2. Repeat with each item 3. Find Alarms where Label is [Item.Label] 4. Delete Alarms ( result of step 3 ) 5. If [Item.Changed] is 1 6. Create Alarm Time = [Item.Time] Label = [Item.Label] Repeat = off 7. End If 8. End Repeat

4 · One specific marker (e.g. only Dawn)

Alarm Plan for Marker returns your chosen marker whether or not its in-app bell is on — the way to keep a dedicated alarm for just one.

1. Alarm Plan for Marker → Marker = Dawn (Gnomon) 2. If [Changed] is 1 3. Find Alarms where Label is [Label] → Delete 4. Create Alarm Time = [Time] Label = [Label] Repeat = off 5. End If

5 · Clean up

The alarms are labelled with the marker name, so they're easy to target.

1. Find Alarms where Label is [ a marker name, e.g. Dawn ] 2. Delete Alarms ( result of step 1 )

One-tap wipe: give the alarms a shared tag — set the Create Alarm label to e.g. Dawn ·G in the recipes above, then clean up with Label contains ·G → Delete.
Silence instead of remove: swap Delete Alarm for Toggle Alarm (off).

Do the shortcuts ask for confirmation?

Gnomon's actions are read-only and never prompt — they run silently, including as background automations. The one prompt you may hit is iOS asking permission the first time a shortcut uses Clock's Create Alarm; allow it once. For the daily automation, choose Run Immediately so it doesn't ask.

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