1. At On
In
Years in 1996 Hours at five Dates on 21st
o’clock May
on May
21st
Parts of in the In at night Days of the on Friday
the day mornin phrase at noon week on
g s such at Thursday
(except as midnight
night) at the
weekend
at the
moment
Season in Special at In on my
s winter days Christma expression birthday
of the s s such as on a cold
year at Easter day
on
Christma
s day

2. In At On
Years in 1996 Hours at five Dates on 21st
o’clock May
on May
21st
Parts of in the In at night Days of the on Friday
the day morning phrases at noon week on
(except such as at Thursday
night) midnight
at the
weekend
at the
moment
Seasons in Special at In on my
of the winter days Christmas expressions birthday
year at Easter such as on a cold
day
on
Christmas
day