The format string is the most advanced part of the timers here at Countdown City, but yet really easy to use. Have a look at this standard format string:
Time left: $d (d|day|days), $h (h|hour|hours), $m (m|minute|minutes) and $s (s|second|seconds)
Let's break it apart.

We have two kinds of special patterns to look for:
All other text is displayed as it is.