GA4 Dimensions & Metrics Explorer

Cohort nth day cohortNthDay

Day offset relative to the cohort's inclusion date. Cohort reports only.

Type
Dimension
Scope
Cohort
Category
Cohort
API name
cohortNthDay

Compatibility

Likely compatible (scope-based estimate — run fetch_metadata.py for Google's exact matrix):

Cohortcohort

Watch out combining it with: Date, Day of week, Hour, Country, City, Device category, Operating system, Browser, Language, Session default channel group, Session source, Session medium… — these can raise incompatible dimensions and metrics.