brew install countdown

go install github.com/antonmedv/countdown@latest

Or download prebuilt binary from releases.

Specify duration in Go format 1h2m3s or a target time: 02:15pm, 14:15.

countdown 25s
countdown 11:32

Add a command with && to run after the countdown.

countdown 1m30s && say "Hello, world"

Count from up from the zero.

countdown -up 30s

Announce (via macOS say command) last 10 seconds.

countdown -say 10s

• Space: Pause/Resume the countdown.
• Esc or Ctrl C: Stop the countdown without running the next command.

MIT