PropertyGGoogle SearchData for May 2026

startDate

Estimated domains

100K - 1M

schema.org/startDate

Description

The start date and time of the item (in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601)).

Definition from the Schema.org vocabulary (English).

Trend over time

At least two months are needed to show a trend. The series will grow with every monthly update.

Usage in Google Search

Documented Google contexts where this property is required or recommended for rich results.

Gon typeEvent100K - 1MG
Requiredevent
DateTime The start date and start time of the event in ISO-8601 format. Add both the date and time so users can find events that fit into their schedule. Make sure to follow the Date and time guidelines. "startDate": "2025-07-21T19:00"

Used on types

Expected value types

Legend

PropertySchema typeData typeEnumeration

Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.