# 渊纬陆衡

> 渊纬陆衡 (iPhone/iPad app by Umaima Zuhid.)

- Source: https://appshunter.io/ios/app/id6812338736 (this page in markdown: same URL + `.md`)
- Developer: [Umaima Zuhid](https://appshunter.io/developer/6812338738)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 133 MB
- Languages: American English
- Released: 2026-09-19
- Data updated: 2026-09-21
- User reviews in markdown: https://appshunter.io/ios/app/id6812338736/reviews.md

## What is 渊纬陆衡?

还在为地理作业中的经纬度换算头疼？出门旅行想知道当地时间？这款专为地理学习者和旅行爱好者打造的离线工具箱，让你随时随地解决地理计算难题。

核心功能

1.经纬度换算
十进制度数与度分秒格式一键互转
支持北纬/南纬、东经/西经自动识别

2.球面距离测算
Haversine 公式精准计算任意两点间的球面距离
支持公里、英里、海里多种单位

3.时区时差换算
全球主要城市时区对照
轻松计算不同时区的时间差

4.纬度分区速查
根据纬度快速判断所属气候带
了解热带、温带、寒带分布特征

5.昼夜时长推算
精确计算任意地点、任意日期的日出日落时间
展示全年昼长变化趋势

6.附加模块
地理百科 - 收录常用地理术语和概念解释  地理题库 - 随机练习巩固所学知识 地理笔记 - 记录学习心得与地点标注


## Version history (last 2 releases)

### 1.0.1 — 2026-09-19

对APP细节进行了优化

### 1.0 — 2026-09-19

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-21.*