NASA SpaceTime vs LSTclock: sidereal time clock Usage & Stats
Display Mars and Earth time for the NASA Perseverance and Curiosity Mars rovers. View the schedule of events and operational meetings in support of these missions.
Ask Siri: "What Sol is it on Mars?"
- Apple App Store
- Free
- Utilities
Store Rank
- -
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).
- Apple App Store
- Free
- Utilities
Store Rank
- -
NASA SpaceTime VS. 
LSTclock: sidereal time clockJanuary 17, 2025