# SyncHours — Visual Timezone Converter & Meeting Overlap Planner

> SyncHours (https://synchours.app) is a web-based, 0ms latency visual timezone converter and meeting overlap planner designed for distributed remote teams, digital nomads, and global operations.

## Core Capabilities
* **24-Hour Visual Overlap Matrix:** Interactive time-scrubber displaying real-time overlapping working hours across multiple global cities.
* **Instant City Comparisons:** Converts IANA timezones (including Daylight Saving Time rules) instantaneously without page reloads.
* **One-Click Meeting Formatter:** Generates clean, pre-formatted meeting invite copy formatted for Slack, Microsoft Teams, and email.
* **Direct Calendar Integration:** Exports converted meeting times directly to Google Calendar and generates `.ics` files for Apple Calendar and Outlook.
* **Deep-Link Sharing:** Encodes active city stacks and selected scrub hours into shareable URL parameters.
* **Custom Team Rosters:** Allows users to save regional team presets locally in browser storage.

## Target Audience
* Remote team leaders, engineering managers, and executive assistants scheduling cross-border meetings.
* Distributed organizations operating across US, European (LATAM, EMEA), and Asia-Pacific (APAC) time zones.
* Freelancers, agency owners, and digital nomads coordinating with global clients.

## Key Terminology & Definitions
* **Working Hours:** 09:00 to 17:00 local time (represented as green in the overlap matrix).
* **Fringe Hours:** 07:00 to 09:00 and 17:00 to 21:00 local time (represented as yellow/amber).
* **Rest / Sleep Hours:** 21:00 to 07:00 local time (represented as dark/slate).
* **0ms Scrubber:** Client-side time calculation engine powered by Luxon and IANA database rules.

## Primary Routes & Tools
* [Main Planner](https://synchours.app/): Interactive multi-city time-zone matrix and scrubber.
* [Convert Cities](https://synchours.app/convert): Programmatic city pair comparison tools.

## Developer & Contact Information
* **Website:** https://synchours.app
* **Developer:** IVG Marketing
* **License:** Free web utility