time zone definition us history

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
time zone definition us history	1.66	0.6	3143	73	31
time	1.43	0.8	1004	92	4
zone	0.22	0.6	2761	80	4
definition	0.4	0.6	8427	51	10
us	0.38	0.3	3330	73	2
history	1	0.4	3087	28	7

Keyword	CPC	PCC	Volume	Score
time zone definition us history	0.35	0.3	8262	67
time zones us history	1.41	0.9	4090	95
time zones in the united states history	1.12	0.6	4872	12
history of time zones in usa	0.83	0.4	4977	38
origin of time zones in the us	1.43	0.1	3630	18
when did the time zone start	0.28	0.1	7512	72
what started the time zone	1.32	0.7	4390	49
when were us time zones created	0.11	0.2	5025	17
original us time zones	0.4	0.9	2133	98
what's the time zone	0.86	0.4	6554	39
when did time zones begin	0.87	0.9	8031	46
when were the time zones established	0.5	0.5	1842	65
when did time zones come about	1.79	0.3	827	80