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Google Calendar to Slack Status and Philips Hue

by TheUnknownEntityadapted from n8n official workflow galleryUpdated Aug 2026
RequiresGoogle CalendarGoogle CalendarHTTP RequestHTTP RequestSlack
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MaOn clicking 'execute'On clicking 'ex…Google CalendarHRLight - BusyHRLight - AvailableLight - Availab…SwSwitchHRLight - PersonalGCEvent StartedSlack - StatusFuSet CalColor1234567
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Starts on a Google Calendar event

I'm currently trialing a 4 day work week for all staff at my company, and one of the major impacts on productivity is interruptions. As such, I opted to use N8N to create a workflow to monitor my Google Calendar and when an event starts, to update my Slack status with an emote and the title of the calendar task. Additionally I opted to include to change the colour of Philips Hue lamp located in my living room where my wife is currently working so she know's if she can interrupt me or not. My calendar is built on the theory behind the Diary Detox system and as such the Slack Status reflect the colours involved. This was achieved using the emote aliases for the relevant colour circles. The Philips Hue lamp status is changed via the local API with Home Assistant. This is a very similiar process to controlling it with something like the Streamdeck, but the workflow calls the Webhook instead of the Streamdeck. This process can be found in lots of Youtube videos such as this. This gives my wife a very quick and easy way to know if she can interrupt me in my office (when the lights are Green or Blue) or when I'm busy (Red).

Tags

n8nreference-onlygoogle-calendarslack
Connects
googlecalendarGoogle CalendarWHTTP RequestSlack
CategoryGoogle Calendar
Triggermanual
Complexitymedium
Nodes9
AddedFeb 1, 2022
googlecalendar
free

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