Creating simple countdown timer

[kyaukkar_thar]

countdown_spinner (2).aia (4.3 KB)
I want to set the time Hours and Minutes with spinner.
After set the time start to countdown. Terminate button for emergency stop. That it. But I'm very beginner of this, so I stuck there. Please someone help me.

[ABG]

Search the Gallery for "countdown".

There are lots.

A sample:

Daily Countdown

Here's an old countdown timer from the transition between AI1 and AI2 ... [Designer] [blocks] ByeByeAI.aia (4.0 KB) [Clock1 Timer] [global hours] [emulator] [global Deadline_Instant] [global excess_ms] [global Milliseconds_per_minute] [global MillisecondsToExpiration] [global minutes] [global Seconds] [Running] [Setting the deadline] [start]