I'm calling good morning
Good morning to you
This bright sunny morning
How do you do?

I'm calling good morning
Good morning to you
This bright sunny morning
Quite well are you

I'm calling good morning
Good morning to you
This dark cloudy morning
How do you do?

I'm calling good morning
Good morning to you
This dark rainy morning
How do you do?

References:

Sunrise:
http://en.wikipedia.org/wiki/Sunrise

Morning:
http://en.wikipedia.org/wiki/Morning