Download Android App Download iOS App Update November 25, 2025 with video and summary. First published September 2021. Summary: This is an announcement of the iOS and Android Buddhist Sun App, created to help monastics and lay yogis know the correct times according to GPS position and day of the year. The app includes the following features: Solar Noon Dawn times Uposatha Days Moons GPS map Countdown Timer Notifications for upcoming Uposatha Days Recently, I made this mobile app to help me know when Solar Noon is approaching or has passed.