2300220021002000190
018001700160015001400
1300
1200
11 pm
10 pm
9 pm8 pm7
pm6 pm5 pm4 pm3 pm2 pm
1 pm
midday
1100100009000800070
006000500040003000200
0100
0000
11 am
10 am
9 am8 am7 am6 am5am4 am3 am2 am1
ammidnigh
t
12/24 Hour Clock
To go from 12 hour clock to 24 hour clock just add 12 to the hour:
2000 2100
1830 2330
1620
Examples
8 pm becomes
9 pm becomes
6:30 pm becomes
11:30 pm becomes
4:20 pm becomes
3:10 pm becomes
1510
2300220021002000190
018001700160015001400
1300
1200
11 pm
10 pm
9 pm8 pm7
pm6 pm5 pm4 pm3 pm2 pm
1 pm
midday
1100100009000800070
006000500040003000200
0100
0000
11 am
10 am
9 am8 am7 am6 am5am4 am3 am2 am1
ammidnigh
t
12/24 Hour Clock
To go from 24 hour clock to 12 hour clock just subtract 12 to the hour:
8 pm 9 pm
5:30 pm 10:08 pm
8:06 pm
Examples
2000 becomes
2100 becomes
1730 becomes 2208 becomes
2006 becomes 1350 becomes 1:50 pm
Elapsed
Time?
1500 to 1600 = 1 hour
1600 to 1645 = 45 minutesElapsed time = 1 hour 45 minutes
3 pm 4:45 pm
3 pm to 4 pm = 1 hour
4 pm to 4:45 pm = 45 minutes
Elapsed time = 1 hour 45 minutes
1500 1645
Time
Elapsed
Time?
1910 to 2110 = 2 hours2110 to 2130 = 20 minutesElapsed time = 2 hour 20 minutes
7:10 pm 9:30 pm
7:10 pm to 9:10 pm = 2 hours9:10 pm to 9:30 pm = 20 minutesElapsed time = 2 hour 20 minutes
1910 2130
Time
Using Timetables
2314
2302
2254
2248
2243
2237
2225
2214
2202
2154
2148
2143
2137
2125
2114
2102
2054
2048
2043
2037
2025
Until
Hour
Every
And
1114
1102
1054
1048
1043
1037
1025
1014
1002
0954
0948
0943
0937
0925
0914
0902
0854
0848
0843
0837
0825
Scawby Bus Station
Milfield
Atcliffe
Worsley
Catby
Bigby
Alton Bus Station
1. What time does the 0825 bus from Alton arrive at Scawby?2. What time does the 0943 bus from Catby arrive at Scawby?3. What time does the 2048 bus from Worsley arrive at Milfield?4. How long does it take to get from Atcliffe to Milfield?
5. How long does it take to get from Alton to Scawby?
6. What time does the last bus from Bigby arrive at Milfield?
0914
1014
2102
8 min
49 min
2302
*
*
*
*
*
***
*
*
*
*
Mary lives at Bigby. She has a dentist appointment at Scawby at 1110. What is the latest bus she can catch to ensure that she is on time?
Robert lives at Alton. He catches the first bus of the day to visit a friend in Atcliffe. He then travels on to Scawby, arriving there at 1414. What time did he leave Atcliffe?
Using Timetables
2314
2302
2254
2248
2243
2237
2225
2214
2202
2154
2148
2143
2137
2125
2114
2102
2054
2048
2043
2037
2025
Until
Hour
Every
And
1114
1102
1054
1048
1043
1037
1025
1014
1002
0954
0948
0943
0937
0925
0914
0902
0854
0848
0843
0837
0825
Scawby Bus Station
Milfield
Atcliffe
Worsley
Catby
Bigby
Alton Bus Station
0937
1354
Settle
Horton
RibbleheadDent
Garsdale
Kirkby. S
Appleby
LangwathbyLazonby & KArmthw’teCarlisle
0950
0959
1007
1016
1022
1034
1048
1102
1107
1115
1132
1042
-
-
-
-
1120
1134
-
-
-
1215
1146
1155
1203
1212
1218
1230
1244
1258
1303
1311
1328
1349
1357
1405
1415
1420
1433
1445
1459
1504
1513
1530
1545
1554
1602
1611
1617
1629
1642
1656
1701
1709
1726
1715
1725
1733
1742
1748
1759
1812
1826
1831
1839
1856
1854
1903
1911
1920
1928
1938
1951
2005
2010
2018
2035
2023
2031
2041
-
-
-
-
-
-
-
-
Settle to Carlisle
No Presets
Using Timetables
2314
2302
2254
2248
2243
2237
2225
2214
2202
2154
2148
2143
2137
2125
2114
2102
2054
2048
2043
2037
2025
Until
Hour
Every
And
1114
1102
1054
1048
1043
1037
1025
1014
1002
0954
0948
0943
0937
0925
0914
0902
0854
0848
0843
0837
0825
Scawby Bus Station
Milfield
Atcliffe
Worsley
Catby
Bigby
Alton Bus Station
No Presets
M 5 12
19
26
T 6 13
20
27
W 7 14
21
28
T 1 8 15
22
29
F 2 9 16
23
30
S 3 10
17
24
31
S 4 11
18
25
J a n u a r y
2 9 16
23
3 10
17
24
4 11
18
25
5 12
19
26
6 13
20
27
7 14
21
28
1 8 15
22
29
F e b r u a r y
1 8 15
22
29
2 9 16
23
30
3 10
17
24
31
4 11
18
25
5 12
19
26
6 13
20
27
7 14
21
28
M a r c h
M 5 12
19
26
T 6 13
20
27
W 7 14
21
28
T 1 8 15
22
29
F 2 9 16
23
30
S 3 10
17
24
S 4 11
18
25
A p r i l
3 10
17
24
31
4 11
18
25
5 12
19
26
6 13
20
27
7 14
21
28
1 8 15
22
29
2 9 16
23
30
M a y
7 14
21
28
1 8 15
22
29
2 9 16
23
30
3 10
17
24
4 11
18
25
5 12
19
26
6 13
20
27
J u n e
Calendar 2004 (Leap Year)
30 days hath September, April, June and November. All the rest have 31 except February alone, which has 28 days clear but 29 in a leap year.
M 5 12
19
26
T 6 13
20
27
W 7 14
21
28
T 1 8 15
22
29
F 2 9 16
23
30
S 3 10
17
24
31
S 4 11
18
25
J u l y
2 9 16
23
30
3 10
17
24
31
4 11
18
25
5 12
19
26
6 13
20
27
7 14
21
28
1 8 15
22
29
A u g u s t
6 13
20
27
7 14
21
28
1 8 15
22
29
2 9 16
23
30
3 10
17
24
4 11
18
25
5 12
19
26
S e p t e m b e r
M 4 11
18
25
T 5 12
19
26
W 6 13
20
27
T 7 14
21
28
F 1 8 15
22
29
S 2 9 16
23
30
S 3 10
17
24
31
O c t o b e r
1 8 15
22
29
2 9 16
23
30
3 10
17
24
4 11
18
25
5 12
19
26
6 13
20
27
7 14
21
28
N o v e m b e r
6 13
20
27
7 14
21
28
1 8 15
22
29
2 9 16
23
30
3 10
17
24
31
4 11
18
25
5 12
19
26
D e c e m b e r
Calendar 2004 (Leap Year)
30 days hath September, April, June and November. All the rest have 31 except February alone, which has 28 days clear but 29 in a leap year.