JulianCal

50+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image

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!
Updated on
Jan 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

What's new in this version:
• Multilingual support Italian/English
• New integrated advertising banner
• UI improvements and enhanced usability
• Improved compatibility with Android 15
• Minor bug fixes and performance optimizations