OK, I've had no joy :'(

I'll try and explain exactly how to spreadsheet is laid out and what i'm
trying to achieve. Maybe there is an easier way to get my goal.

The sheet is designed to log newspapers and wakeup calls that are ordered by
guests in a hotel. I have the newspaper side of things working as intended,
but the wakeup calls are giving me a headache.

It is laid out like this:-

Worksheet 1.

Columns A, B and C allocated to the ground floor.

Column A = Room numbers
Column B = requested Newspaper
Column C = Wakeup call


Columns D, E and F allocated to the first floor.

Column D = Room numbers
Column E = requested Newspaper
Column F = Wakeup call


Columns G, H and I allocated to the Second floor.

Column G = Room numbers
Column H = requested Newspaper
Column I = Wakeup call


Columns J, K and L allocated to the Third floor.

Column J = Room numbers
Column K = requested Newspaper
Column L = Wakeup call


Columns M, N and O allocated to the Fourth floor.

Column M = Room numbers
Column N = requested Newspaper
Column O = Wakeup call


Worksheet 2.

Column A has a list of times ranging from 4:00am to 11:00am at 5 minute
intervals. For example:-

4:00
4:05
4:10
4:15
etc. etc.

I what like the worksheet 2 to scan the wakeup call collumns in worksheet 1
(columns C, F, I, L and O) and return the room number next to the desired
times.

Hopefully, if possible, worksheet 2 would look something like this

.....
.....
TIME ROOM NUMBERS
6:00 79 170 176
6:05 75 171 189 190
6:10
6:15 73 289 391
6:20
6:25
6:30 74 181
6:35 474
6:40

Any advice would be greatly received