apps / 1163850946
Civil Twilight Calculator
Lifestyle
Aviametrix, LLC · Lifestyle · $0.99 · US storefront
- rating
- 5.0 ★
- ratings
- 5
- updated
- Jan 5, 2026
- released
- Oct 21, 2016
v1.26
visible word pool · 4 words
title 25/30 chars · subtitle 9/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Civil Twilight Calculator's pool that are public — the keyword field is not exposed by any API.
from the listing
Everyone who works outside needs to know about daylight hours! Pilots often need to know when night occurs. The FAA uses several different times of day for calling night vs. day, depending on the purpose. Most Apps find the twilight times by going to a database on the internet. That means you need a network connection to use them. This app is unique because it does all the celestial calculations internally! No internet required! Find the start of night at your destination…
latest US reviews
★★★★★
Simple to use and great customer support
This app does exactly what it says and is super simple to use. Get the information you are needing quickly. Great response time and support from the developer when I encountered an issue.
— bct85101
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{ "tool": "app", "arguments": { "appId": 1163850946, "countries": [ "US" ], "subtitle": true } }
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