LSTclock: sidereal time clock app for iPhone and iPad

4.8 ( 5248 ratings )

Utilities Education
Developer: Tsuyoshi Sawada

Free

Current version: 7.0, last update: 3 months ago
First release : 26 Apr 2020
App size: 3.59 Mb

LSTclock is an iOS/iPadOS/watchOS app to display the local sidereal time (LST) at the selected location(s). On iOS/iPadOS, it can also calculate the LST and the Julian Date for arbitrary date/time. The app contents (location list) can be synced between iPhone and paired Apple Watch(es).