DOTY (Day Of The Year) is a precision time-positioning app designed for engineers, satellite operators, mission planners, and anyone who needs accurate day-of-year tracking.
Instead of just showing dates, DOTY shows where today sits in the year — clearly and instantly — with professional UTC-based calculations and mission-ready tools.
CORE FEATURES
• Day of Year (DOY) counter (e.g., 028 / 365 or 366)
• Automatic leap year handling
• UTC time display
• Days remaining in year
• ISO week and Julian day
• Year progress indicator
MISSION MODE
Create mission profiles to track mission-day timelines separate from the calendar year.
• Mission day counter
• Mission start and end dates
• Mission elapsed time (MET)
• Multiple missions support
OBT OVERFLOW TRACKING
Built for satellite workflows.
• Define OBT overflow days
• Recurring overflow cycles
• Multiple overflow events
• Overflow notifications
• Mission-day based alerts
ALARMS & TIMERS
Never miss a critical event.
• UTC alarms
• Countdown timers
• Satellite arrival alerts
• Background notifications
• Floating active timer view
HOME SCREEN WIDGETS
Choose your preferred widget style.
• Big time widget
• Big day-of-year widget
• Balanced layout widget
• Widget gallery with previews
• Quick add to home screen
DESIGNED FOR CLARITY
• Clean, minimal interface
• Dark, space-inspired theme
• Large readable numbers
• Offline-first
• No account required
• No tracking
DOTY is built for precision, reliability, and fast time awareness — from mission control rooms to everyday planning.
Know exactly where you are in the year.