JulianCal

teothx

In-app purchases

About this app

JulianCal is the definitive app for calculating and displaying the Julian Day of the year, an essential tool for production, logistics, and batch tracking.

🎯 Key Features:

**Real-time Julian Day**
- Display the Julian Day of the year (1-365/366)
- Automatic updates every minute
- Leap year indication

**Customizable Batch Code**
- Generate automatic batch codes with custom prefix
- 2 or 3-digit format for Julian Day
- One-tap copy to clipboard

**Julian Day → Date Converter**
- Convert instantly from Julian Day to calendar date
- Support for years 1900-2100
- Detailed info: day of week, week number, quarter

**Interactive Calendar**
- View calendar with Julian Day for each date
- Select any date to see its details
- Switch between monthly and weekly view

**Year Progress**
- Visualize the percentage of year passed
- Animated progress bar
- Days remaining until year end

**Statistics & Information**
- Week number of the year
- Current quarter (Q1-Q4)
- Days remaining in current year
- Julian Day Number (since January 1, 4713 BC)

### 💡 Use Cases:

✅ **Production & Manufacturing:** Product tracking and batch codes
✅ **Logistics:** Shipment organization and expiration dates
✅ **Agriculture:** Harvest planning and crop cycles
✅ **Project Management:** Working days calculations and deadlines
✅ **Science & Research:** Astronomical calculations and dating

### 🌟 Features:

- ✅ Modern Material Design 3 interface
- ✅ Light and dark automatic theme
- ✅ Completely offline - no internet connection required
- ✅ Quick copy to clipboard
- ✅ Full Italian language support
- ✅ Lightweight and fast
- ✅ No advertisements
- ✅ No invasive permissions required

### 📱 Perfect for:

- Production managers
- Logistics operators
- Project managers
- Farmers and gardeners
- Researchers and students
- Anyone needing quick Julian Day calculations

Download JulianCal now and simplify your work with Julian Days!

What’s new

What's new in 1.5.0
• NEW Pro home screen widgets: 5 widgets with the Julian day — day only, + date, + batch code, full, + week number. Resize to show more.
• Redesigned Pro screen showing everything you get.
• Improved Android 15/16 compatibility (edge-to-edge).
• Fixes and optimizations.