"Cool Met Stuff" : When do seasons start?

A new episode is now available at the "Cool Met Stuff" channel on the Observatory webpage. Are there any defined dates for the commencement of seasons? Does "Spring Commences" in lunar calendar really mean the start of the spring season? We will try to give you an answer.

You are welcomed to visit the Observatory's "Cool Met Stuff" channel to enjoy the programme (broadcast in Cantonese):
http://www.hko.gov.hk/video/wxonairyoutubec2.htm

Please also refer to the following webpage for the broadcast schedule of various TV channels:
http://www.hko.gov.hk/video/weatheronair.htm