In a small teapot, steep for 30 seconds if you like your tea quite light and up to 1 minute if you prefer something stronger. The bigger your teapot, the longer the steeping time.
In a normal sized mug (approximately 250ml), steeping time should be between 2 to 3 minutes.
If you brew your tea in a convenience cup, do not throw the leaves away after 1 round. Good tea leaves are good for 3 rounds. You may want to steep the leaves slightly longer with each subsequent round.