Overlay and compare your Google Calendar schedules seamlessly across Today, 1 Year Ago, and 2 Years Ago on a single unified multi-layered view.
Instant reference side panel that keeps your browsing workflow uninterrupted while checking historical events and notes.
Full-screen multi-layer workspace with Matrix View (horizontal week alignment) and 3-Column Columns View with synchronized scrolling.
Quick floating trigger button directly on calendar.google.com that slides open a drawer view without switching tabs.
TimeLayer communicates directly between your browser and official Google APIs (googleapis.com).
Your calendar entries and tokens are never sent to or stored on any external server, including the developer's server.
We strictly request read-only permissions (calendar.calendarlist.readonly and calendar.events.readonly) to compare events. No creation, modification, or deletion permissions are requested.