"Every date creates a coordinate. Find where in the world your birthday lives."
co-date is a whimsical, deterministic explorer that turns your birth date into a specific geographic coordinate on Earth. It's not random—it's math. Using a unique algorithm, we map the non-random nature of the calendar (Days, Months, Years) to the latitude and longitude grid of our planet.
We believe there's a place for everyone. Literally.
By converting your birth day, month, and year into mathematical values, co-date flies you to a specific spot on the globe.
- Day defines your Latitude.
- Month defines your Longitude.
- Year adds a unique variance to avoid collisions.
Is your birthday in the middle of the Pacific Ocean? A bustling street in Tokyo? Or perhaps a quiet desert in Namibia? Find out.
- 📍 Deterministic Geocoding: Enter the same date, get the same place. Always.
- 🖼️ Smart Visuals: Automatically fetches high-quality Unsplash images for oceans, deserts, and cities.
- 📸 Polaroid-Style Export: Generate a beautiful, shareable "card" of your location.
- 🐦 One-Click Sharing: Optimized for X (Twitter) with auto-image copying and smart pre-filled text.
- ⚡ Blazing Fast: Built on the Next.js App Router for instant transitions.
Built with ❤️ using the best modern web tools:
- Framework: Next.js 14 (App Router)
- Styling: Tailwind CSS
- Maps: OpenStreetMap (Static & Nominatim API)
- Capture:
html2canvasfor generating shareable images - Icons: Heroicons & Custom SVG sets
Want to run this locally?
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Clone the repo
git clone https://github.com/yourusername/co-date.git cd co-date -
Install dependencies
npm install
-
Run the development server
npm run dev
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Open http://localhost:3000 with your browser to see the result.
The easiest way to deploy your Next.js app is to use the Vercel Platform.
- Push your code to a GitHub repository.
- Go to Vercel and "Add New Project".
- Import your repository.
- Click Deploy.
Got a better formula for mapping dates? Found a bug? Open an issue or submit a PR!
MIT © Kavya Goel