Modifier: modify_date

Alters a timestamp by incrementing or decrementing in a format accepted by PHP’s native strtotime() method.

date: December 28th, 2025

{{ date | modify_date:last Sunday }}
{{ date | modify_date:+3 months }}
{{ date | modify_date:-2 weeks }}

December 21st, 2025
March 21st, 2026
March 7th, 2026

This modifier modifies the variable directly which will carry over to subsequent modifications, as shown in the above example.

Additional Reading

Learn how to use and chain modifiers in the Antlers template guide.