Perhaps, Bob Franke's "Thanksgiving Eve" fits into this hymnal, although I suspect Franke is a "believer," just not one who can abide established religions. I'll paste in the version I sing with its extra verse and some folk processing:

Words and music by Bob Franke ©

THANKSGIVING EVE


It's so easy to dream of the days gone by,
So hard to think of the times to come,
And the grace to accept every moment as a gift
Is a gift that is granted to some.

Chorus:
What can we do with our days but work and hope,
Let our dreams bind our work to our play;
What can we do with every moment of our lives
But love till we've loved it away,
Love till we've loved it away.

There are sorrows enough for the whole world's end,
There are no guarantees but the grave,
And the friends that we meet and the love that we share,
Are treasures too precious to say. (CHO)

Each moment will pass like winter into spring,
Quickly enough on its own,
But a memory's made in the weaving of a day,
So let not a thread slip the loom.(CHO)

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One verse is different in the version in the Digital Tradition.
-Joe Offer-