ToolForge

日の出・日の入り計算

Sun position calculator: get altitude and azimuth from lat long and time with visualization for photography and astronomy, with one-click copy, offline.

使い方

緯度経度・日付・タイムゾーンを入力すると太陽時間がリアルタイムに計算されます。

Overview

Sun Position Calculator is an Utilities tool. Get altitude and azimuth from lat long and time with visualization for photography and astronomy, with one-click copy, offline. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Daily use of Sun Position Calculator: Enter coordinates, date and timezone to compute sun times. — enter and get instant results without manual lookup.
  • One-click copy keeps results ready to save, check or share with family and pros.
  • Use Sun Position Calculator offline or on poor network — all calculations stay local and private.
  • Quick office conversions
  • Works offline or on poor network

How to use

  1. 1 Enter coordinates, date and timezone to compute sun times..
  2. 2 Tweak parameters or switch options for live updates.
  3. 3 Review values, units and charts to confirm precision.
  4. 4 Copy or export the result for docs, sheets or sharing.

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • For reference only; consult professionals for medical/legal/finance
  • Refresh if stuck and contact us if persists
  • Process sensitive data locally

FAQ

Data saved?
Only the last input cached locally.
Need sign-up?
No, open and use.
How is Sun Position Calculator different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “sunrise sunset” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
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すべての計算はブラウザ内で実行され、データはアップロードされません。