I have transposed this from Db major to C major for simplicity.
For Db major, put capo on the 1st fret.
Chords:
C F G Am G#+ E Gsus4
e:----0-----1-----3-----0-----0-----0-----3----:
B:----1-----1-----0-----1-----x-----0-----1----:
G:----0-----2-----0-----2-----5-----1-----0----:
D:----2-----3-----0-----2-----2-----2-----0----:
A:----3-----3-----x-----0-----x-----2-----x----:
E:----------1-----3-----------4-----0-----3----:
INTRO
C % F %
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
|--8------6-----5|----3-----------|----------------|----------------|
|----------------|----------------|--8-----6-----5-|--4-3-----------|
|/9-----7----5-|--3------------|----------------|----------------|
|----------------|----------------|/9----7----5--|--4-3-----------|
|----------------|----------------|----------------|----------------|
|----------------|----------------|----------------|----------------|
VERSE
C G Am F
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
I don't know why you think that you could hold me, when you couldn't get by by yourself.
C G Am F
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
And I don't know who would ever want to tear this seam of someone's dream.
VERSE (same chords)
Baby, it's fine. You said that we should just be friends. Well, I came up with that line.
And I'm sure that it's for the best. If you ever change your mind, don't hold your breath.
PRE-CHORUS
Am % G#+ E
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
'Cause you may not believe
Am % G#+ E
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
that baby, I'm relieved.
F % G %
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
When you said goodbye, my whole world shined. Hey hey hey!
CHORUS
C Gsus4 Am Gsus4
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
It's a beautiful day, and I can't stop myself from smiling.
F C F C G
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
If we're drinking, then I'm buying. And I know there's no denying.
C Gsus4 Am Gsus4
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
It's a beautiful day. The sun is up. The music's playing.
F C F C
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
And even if it started raining, you wouldn't hear this boy complaining.
F E Am G
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
'Cause I'm glad that you're the one who got away. It's a beautiful day.
https://www.coveralia.com/acordes/it-s-a-beautiful-day--swing-mix--michael-buble.php
INTERLUDE
C %
+=---=---=---=---+=---=---=---=---+
|-----8------6---|--5-----3-------|
|----------------|----------------|
|---/9-----7----|5----3--------|
|----------------|----------------|
|----------------|----------------|
|----------------|----------------|
VERSE (same chords)
It's my turn to fly. So girls, get in line, 'cause I'm easy. No playing this guy like a fool.
'Cause now I'm alright. You might've had me caged before, but not tonight.
PRE-CHORUS
Am % G#+ E
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
And you may not believe
Am % G#+ E
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
that baby, I'm relieved.
F % G %
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
This fire inside, it burns too bright.
F % G % C
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
I don't wanna say "So long", I just wanna say "Goodbye". Hey hey hey!
CHORUS
(break) Gsus4 Am Gsus4
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
It's a beautiful day, and I can't stop myself from smiling.
F C F C G
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
If we're drinking, then I'm buying. And I know there's no denying.
C Gsus4 Am Gsus4
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
It's a beautiful day. The sun is up and music's playing.
F C F C
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
And even if it started raining, you wouldn't hear this boy complaining.
F E Am G
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
'Cause I'm glad that you're the one who got away.
F (strings only) C F C
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
'Cause if you ever think I'll take up my time with thinking of our break-up,
F (band in back) E Am G
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
then you got another thing coming your way, 'cause it's a beautiful day
OUTRO
C G Am F
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+
mmm, Beautiful day
C G Am F C
+=---=---=---=---+=---=---=---=---+=---=---=---=---+=---=---=---=---+=...
Oh, baby any day that you're gone away. It's a beautiful day.