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timav is a cli tool and a library for working with time tracking data kept in google calendar. For historical reference check out timav blog post.

This is personal software project, shared mainly as a reference point. I wont be fixing bugs that don't happen to me, or add functionalities I don't want/need.


The system for describing logs looks like this:

[Project] @tag1 @tag2(subtag)
  • Project is optional, and allows me to group logs for given project, it's usually a client project I work on, or well-defined personal project
  • @tag is additional metadata that I can use to analyse the logs, I can add how many tags I want to a given event, but it's usually just a few; at the moment most often used ones are: @work, @personal, @code(...)
  • @tag(subtag) is a shorthand for having more data about a given tag, but allows me to still nest them under one bigger thing, this might be overly complex, but works for me — I use @code(js) when I'm writing JavaScript, @code(clj) for Clojure, @health(gym) for when I'm training and @health(walk) when strolling


  1. npm install -g timav-cli
  2. timav config, and set:
  "calendar": "Tracking" // the name of google calendar with tracking data
  1. DEBUG=* timav cache - first time should be run in interactive bash session, as it will lead you through the setup process
  2. ideally add timav cache as a cronjob - I run it every 15 minutes


  • timav cache - download/update cached events
  • timav stats - basic statistics
  • timav tags - top-used tags
    • timav tags -n 2 - specify how many tags to display
  • timav habit <query> - show habit-like chart for specified query, for example: timav habit @personal
  • timav projects [query] - show last projects, query is optional
    • timav projects @work -n 2 - show last two work projects


In addition, timav-cli can be used as a library, example dashboard code used for the screenshot at the top of this file:

#!/usr/bin/env node

const habit = require("timav-cli/habit");
const projects = require("timav-cli/projects");
const stats = require("timav-cli/stats");
const tags = require("timav-cli/tags");
const { getParsedEvents } = require("timav-cli/utils/paths");
const { loadConfig } = require("timav-cli/utils/config");

const { calendar } = loadConfig();
const events = getParsedEvents({ calendar });

let result = "";

// basic stats
result += stats.render(stats.calculate({ events, calendar }));
result += "\n\n";

// my habits
result += ["@personal", "@research", "@work", "@health"]
  .map(query => habit.render(habit.calculate({ events, query })))

// top 6 tags
result += "\n\n";
result += tags.render(tags.calculate({ events, calendar, n: 6 }));

// last 6 personal projects
result += "\n\n";
result += projects.render(projects.calculate({ events, calendar, query: "@personal", n: 6 }));



cli tool and a library for working with time tracking data







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