Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant)

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

How it works: Schedule Trigger on a daily basis (configured at 7.30 am) Connects Google Contacts to get personal information from them Field Checker on birthday date & firstnames. And see if there ...

Best for

Personal Productivity automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.googlecontacts, n8n-nodes-base.set, n8n-nodes-base.aggregate, n8n-nodes-base.httprequest, n8n-nodes-base.merge, n8n-nodes-base.if, n8n-nodes-base.telegram, n8n-nodes-base.scheduletrigger

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Thibaud.

Original n8n.io source

1.1 Workflow description

Title: Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant)
Workflow name: Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant)

How it works:

Schedule Trigger on a daily basis (configured at 7.30 am)
Connects Google Contacts to get personal information from them
Field Checker on birthday date & firstnames. And see if there is any celebration for today
Send a Telegram Notification and display the message on a Google Home Speaker via Home Assistant if any celebration has matched

Set up steps:

Download the workflow and import it into your n8n instance
Configure accounts for Google Contacts, Telegram and Home Assistant
And you will be good to go

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Google Contacts

Type / Role: n8n-nodes-base.googleContacts - googleContacts
Config choices: Version 1

Block 2 - Get One first name list

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 3 - First names

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 4 - Nominis - Saints du jour

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 5 - Combine Firstname & Saints

Type / Role: n8n-nodes-base.merge - merge
Config choices: Version 3

Block 6 - No Saint Today ?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 7 - Compose Message

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 8 - Single list Birthday

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 9 - Get Nominis URL

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 10 - Sent Telegram Message

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 11 - Birthday Today?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 12 - Set Date Offset

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 13 - Everyday at 7am

Type / Role: n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices: Version 1.2

Block 14 - List of Saints of the day

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 15 - Check if any firstname match a Saints of the day

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 16 - Aggregate Birthdays

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 17 - Aggregate No Birthday

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 18 - "Bonne fête" celebration message

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 19 - Birthday celebration message

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 20 - Merge Birthday + Fête Messages

Type / Role: n8n-nodes-base.merge - merge
Config choices: Version 3

Block 21 - Check if any celebration to make

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 22 - Send to Google Home Speaker

Type / Role: n8n-nodes-base.homeAssistant - homeAssistant
Config choices: Version 1

Block 23 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 24 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Showing the first 24 of 26 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow	Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant)
Complexity	advanced
Nodes	26
Categories	Personal Productivity
Author	Thibaud
Published	28 May 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/4462/4462.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Personal Productivity workflows

Frequently asked questions

What does Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant) do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Personal Productivity use case.

Thibaud

3 workflows

Nodes

n8n-nodes-base.googlecontacts n8n-nodes-base.set n8n-nodes-base.aggregate n8n-nodes-base.httprequest n8n-nodes-base.merge n8n-nodes-base.if n8n-nodes-base.telegram n8n-nodes-base.scheduletrigger

Complexity

advanced

Published 28 May 2025

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/4462/4462.json

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Birthday and ephemeris notification (Google Contact, Telegram & Home Assistant)

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Google Contacts

Block 2 - Get One first name list

Block 3 - First names

Block 4 - Nominis - Saints du jour

Block 5 - Combine Firstname & Saints

Block 6 - No Saint Today ?

Block 7 - Compose Message

Block 8 - Single list Birthday

Block 9 - Get Nominis URL

Block 10 - Sent Telegram Message

Block 11 - Birthday Today?

Block 12 - Set Date Offset

Block 13 - Everyday at 7am

Block 14 - List of Saints of the day

Block 15 - Check if any firstname match a Saints of the day

Block 16 - Aggregate Birthdays

Block 17 - Aggregate No Birthday

Block 18 - "Bonne fête" celebration message

Block 19 - Birthday celebration message

Block 20 - Merge Birthday + Fête Messages

Block 21 - Check if any celebration to make

Block 22 - Send to Google Home Speaker

Block 23 - Sticky Note

Block 24 - Sticky Note1

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions