What is the tune for on ukulele?

Here is the standard tuning for a ukulele:

Soprano Ukulele:

1. A (3rd string)

2. E (2nd string)

3. C (1st string)

4. G (4th string)

Concert Ukulele:

1. A (4th string)

2. E (3rd string)

3. C (1st string)

4. G (4th string)

Tenor Ukulele:

1. A (4th string)

2. D (3rd string)

3. F# (1st string)

4. C (4th string)

Baritone Ukulele:

1. D (4th string)

2. G (3rd string)

3. B (1st string)

4. E (4th string)