when did the 12 month calendar start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did the 12 month calendar start	1.59	0.8	9445	93	36
when	1.35	0.2	3096	52	4
did	1.32	0.7	4374	97	3
the	1.69	0.9	5699	70	3
12	1.2	0.5	8721	66	2
month	1.57	0.4	946	96	5
calendar	1.55	0.2	547	36	8
start	1.88	0.4	8112	100	5

Keyword	CPC	PCC	Volume	Score
when did the 12 month calendar start	1.58	1	4870	45
12 month calendar starting august 2023	0.17	0.3	5888	4
when was the 12 month calendar invented	0.67	0.8	1391	20
how was the 12 month calendar created	1.48	0.7	2557	75
when was the 12 month calendar adopted	1.59	0.4	1955	15
when was the calendar invented 12 months	1.45	0.6	5478	32
who made the 12 month calendar	1.89	0.8	1191	47
who introduced 12 month calendar	0.39	0.6	8615	20
who created the 12 month calendar	1.9	0.6	2007	70
the 12 month calendar	1.79	0.4	7772	69
when were the 12 months created	1.48	0.7	2083	2
who invented the 12 month calendar	1.69	0.6	6772	91
what is 12 calendar months	0.57	0.8	3981	91
when did we get 12 months	0.39	0.1	8126	97
what month is the 12	1.44	0.9	3365	44
calendar of 12 months	0.34	0.4	4966	89