54794: March the Third

Here again (she said) is March the third
And twelve hours' singing for the bird
'Twixt dawn and dusk, from half-past six
To half-past six, never unheard.
'Tis Sunday, and the church-bells end
When the birds do. I think they blend
Now better than they will when passed
Is this unnamed, unmarked godsend.
Or do all mark, and none dares say,
How it may shift and long delay,
Somewhere before the first of Spring,
But never fails, this singing day?
And when it falls on Sunday, bells
Are a wild natural voice that dwells
On hillsides; but the birds' songs have
The holiness gone from the bells.
This day unpromised is more dear
Than all the named days of the year
When seasonable sweets come in,
Because we know how lucky we are.