i play this alot in my band so i think this is mostly right
after guitar plays first bit once play this
g:----------------------------------------------------------------|
d:----------------------------------------------------------------| x3
a:----------------------------------------------------------------|
e:5-5-5555555555-0-0-0000000000-5-5-5555555555-0-0-0000000000-----|
then just before the chorus play this
[ Tab from: https://www.guitartabs.cc/tabs/f/feeder/just_a_day_btab_ver_4.html ]
g:-------------------------------------------------------|
d:-------------------------------------------------------|
a:-------------------------------------------------------|
e:999999-555555-000000000000-999999-4444444-55555555-555-|
chorus
g:---------------------------------------------------------------------|
d:---------------------------------------------------------------------|
a:77777770-----------------------------------77777777------------------|
e:---------77777777-555555555555555-99999999---------77777777-55555555-|
g:-------------------|
d:-------------------|
a:---------99999999--|
e:99999999---------5-|
play this after the 2nd chorus
g:--------------------|
d:--------------------| x2
a:1-3----3-1----------|
e:----3-4----3-4------|