30 seconds Simple 30 seconds timer.

5 minutes 5 minutes timer.

1 hour Timer for an hour.

Work for 30 min Well, work for 30 minutes timer...

30 m work Same as above.

30 m work, 10 m breakWork for 30 minutes, then take a break for 10 minutes. Repeat this forever...

s2[1 hour work, 10 min break]Work for an hour, then take a break for 10 minutes. Do this only two times...

dance until midnightTimer until 00:00 am.

p[project until done, s[work for 25 min, break for 5 min]]Work for 25 minutes, take a break for 5 minutes. While repeating this, see how long you have been working on your project.