Contacts - Date Of Birth (Birthday)

Modified on: Mon, 15 Jun, 2026 at 9:58 AM

The Birthday field in contacts allows you to personalize communications, build automation campaigns based on contact birthdays, and filter contacts by age within Smart Lists. This article explains how to utilize the Birthday field effectively.

TABLE OF CONTENTS

What is the Birthday Field?
Key Benefits of the Contact Date of Birth Field
How to Build Birthday Reminder Campaigns
How to Filter Contacts by Birth Date in Smart Lists
How to Filter Contacts by Age in Smart Lists
Best Practices
Common Issues and Troubleshooting
Frequently Asked Questions
Related Articles

What is the Birthday Field?

The Contact Date of Birth field stores a contact's birthday within their contact record. Once populated, it can be used in workflows, Smart Lists, and other contact management processes to personalize communication and organize contacts based on age-related criteria.

It can be populated through:

Manual entry
Form submissions
CSV Imports
API integrations

This field enables automation triggers based on birthdays and helps segment contacts by age.

Key Benefits of the Contact Date of Birth Field

Personalized Engagement: Send birthday messages and special offers automatically.
Workflow Automation: Trigger birthday-based reminders and campaigns.
Audience Segmentation: Create Smart Lists using age-based filters.
Improved Customer Experience: Deliver timely and relevant communications.

How to Build Birthday Reminder Campaigns

You can automate birthday reminders or offers by setting up birthday workflows.

Step 1: Configure the Birthday Trigger

Navigate to Workflows > Create New Workflow.
Set the Trigger to Birthday Reminder.
Choose the trigger condition:
- After no. of days
- Before no. of days
- Day is
- Month is

Step 2: Define Actions

Send Email: Personalized birthday greetings or offers.
Send SMS: Short birthday wishes or coupon codes.
Assign Task: Alert internal teams to follow up manually if needed.

Example Workflow Structure

Step	Action
1	Trigger on Birthday
2	Send Birthday SMS
3	Send Birthday Email
4	(Optional) Notify the internal team

How to Filter Contacts by Birth Date in Smart Lists

Using the Birthday field, you can segment your contacts based on their date of birth for targeted communication.

Steps to Filter by Birth Date

Go to Contacts > Smart Lists.
Click on Advanced Filters.
Select Date of birth filter under contact information.
Select the appropriate filter condition:
- Today
- Tomorrow
- Yesterday
- This week
- This month
- This quarter
- In month
- This year
- On
- Between
- More than
- After date
- Less than
- Before date
- In the next
- In the last.

How to Filter Contacts by Age in Smart Lists

Using the Age field, you can segment your contacts based on their age for targeted communication.

Steps to Filter by Age

Go to Contacts > Smart Lists.
Click on Advanced Filters.
Select Age filter under contact information.
Select the appropriate filter condition:
- Equals to
- Between
- More than
- Less than
Click Save.

The system calculates age dynamically based on the current date and the stored birthday.

Best Practices

Capture Birthdays Early: Include a Birthday field in lead capture forms to gather the information upfront.
Validate Date Formats: Use MM/DD/YYYY format to ensure automation triggers work correctly.
Test Automation: Always test birthday workflows with sample contacts before making them live.
Consider Time Zones: Be aware that workflows may use contact-specific time zones if configured.

Common Issues and Troubleshooting

Issue	Solution
Birthday automation is not triggering	Ensure the Birthday field is populated with a complete and correctly formatted date.
Incorrect age calculation	Confirm that the birth year is correctly entered. Missing or incorrect years can cause errors.
SMS or email was not sent on the birthday	Double-check workflow timing, trigger configuration, and contact timezone settings.

Frequently Asked Questions

Q: Can I use the Contact Date of Birth field to send automated birthday messages?

Yes. The Contact Date of Birth field can be used in workflows to trigger birthday-related automations, such as sending emails, SMS messages, notifications, or applying tags.

Q: Do contacts need a Date of Birth value for birthday workflows to work?

Yes. Birthday-based workflows require a valid Date of Birth value in the contact record. If the field is empty or invalid, the workflow will not trigger as expected.

Q: Can I create Smart Lists based on a contact's age?

Yes. You can use the Contact Date of Birth field in Smart List filters to create age-based audience segments.

Q: Why isn't my birthday workflow triggering?

Check that the contact has a valid Date of Birth value, verify that the workflow trigger is configured correctly, and ensure the workflow is active and published.

Q: Why are my age-based Smart List results incorrect?

Review the Date of Birth values for affected contacts, confirm that your Smart List filters are configured correctly, and check for formatting issues in imported data.

Q: What should I do when importing contacts with birthdays?

Use a consistent date format and verify that Date of Birth values are imported correctly. Accurate data helps ensure workflows and Smart List filters function as expected.