Shift Work Calendar 4 On 4 Off

Tired of counting days on your fingers to figure out if you are working three weekends from now? Shift Work Calendar 4 On 4 Off is the fast, clean rotating shift calendar and work schedule planner built for anyone working repeating shift patterns.

Set your rotation start date once and instantly see your Day Shifts, Night Shifts, Swing Shifts, and Rest Days color-coded across every month of the year—100% offline, with zero ads and no account required.

🗓️ INSTANT ROTATING SHIFT GENERATION (1-TAP TEMPLATES + CUSTOM CYCLES)
Whether you work 12-hour shifts, 8-hour rotations, or 24-hour station tours, generate your entire year's work calendar in seconds:
• 4 On 4 Off Schedule: Classic 4 days on, 4 days off rotation, plus continental 2 Days / 2 Nights / 4 Off (2D-2N-4O) and 4 On 2 Off variations.
• 2-2-3 Pitman Schedule: Standard 2 on, 2 off, 3 on, 2 off, 2 on, 3 off 12-hour rotating shift pattern.
• DuPont 12-Hour Schedule: Classic 4-crew rotating 28-day cycle with the built-in 7-day stretch off.
• Panama & Continental Shifts: Popular 2-2-3 Panama and 8-hour / 12-hour European & North American shift patterns.
• Firefighter, EMS & Law Enforcement Rotations: Supports 24/48, 48/96, California 3-on-4-off, Kelly days, and 3-platoon / 4-platoon cycles.
• 7 On 7 Off, 5 On 2 Off & Custom Cycles: Build any custom repeating pattern of Day, Night, Evening, Split, and Off days up to any cycle length.

👩‍⚕️ BUILT FOR REAL SHIFT WORKERS & FIRST RESPONDERS
Designed specifically for professionals whose lives don't fit a standard Monday-to-Friday 9-to-5 calendar:
• Nurses (RN, LPN, CNA, ICU/ER), hospital staff, and healthcare workers
• Firefighters, paramedics, EMTs, and 911 emergency dispatchers
• Police officers, sheriff deputies, state troopers, correctional officers, and security guards
• Factory, oil refinery, power plant, mining, manufacturing, and warehouse operators
• Airline pilots, flight attendants, rail engineers, and transit crews

⏱️ LOG OVERTIME, SHIFT SWAPS, PTO & PAYDAY TRACKING
Real work schedules change every week. Edit any individual date on your calendar without breaking your underlying repeating rotation:
• Overtime & Extra Shifts: Log overtime hours, call-ins, holdovers, and double shifts to track extra earnings for your next paycheck.
• Shift Swaps & Mutual Trades: Mark traded shifts and payback days with coworkers in two taps so you never miss a swap.
• Vacation, PTO, Sick Leave & Training: Highlight paid time off, court dates, Kelly days, and family events with custom color tags and daily notes.
• Monthly Work Hours Summary: See total scheduled shifts, night shifts, and overtime hours logged each month at a glance.

🔔 SHIFT WORK ALARMS & GLANCEABLE HOME SCREEN WIDGET
• Rotation-Aware Shift Alarms: Set wake-up and pre-shift reminders that automatically follow your Day, Night, and Off days—no more forgetting to turn off your morning alarm after coming off a 12-hour night shift.
• Home Screen Calendar Widget: Check your upcoming week or full month right from your Android home screen without even opening the app.
• Multi-Year Future Date Lookup: Jump to any month next summer or next Christmas in one tap to book flights, plan family vacations, coordinate child care, and schedule doctor appointments with confidence.

🔒 100% OFFLINE, NO ADS, NO ACCOUNTS
Your work schedule is personal. Shift Work Calendar 4 On 4 Off runs completely on your device with no sign-up walls, no cloud tracking, and zero banner ads.