when did 365 day calendar start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did 365 day calendar start	1.24	0.9	7852	31	31
when	0.36	0.8	6621	74	4
did	0.68	0.7	8451	69	3
365	0.45	0.6	3546	12	3
day	0.63	0.6	9891	18	3
calendar	1.29	0.8	8710	33	8
start	0.69	0.2	2031	90	5

Keyword	CPC	PCC	Volume	Score
when did 365 day calendar start	1.98	0.8	3721	41
when was the 365 day year established	1.4	0.1	6946	9
who developed the 365 day calendar	1.81	0.8	6878	90
who made the 365 day calendar	0.17	0.8	8477	61
who created the 365 day calendar	1.93	0.5	6201	19
first 365 day calendar	0.01	0.3	2035	68
who invented the 365 day calendar	1.6	0.3	3926	63
when did 365 days come out	1.92	0.8	2376	56
when did a year become 365 days	0.25	0.8	844	80
what day of 365	1.55	0.5	3453	3
who invented the calendar of 365 days	1.19	0.1	4498	56
what date is in 365 days	0.04	0.9	3154	77
what was the date 365 days ago	1.77	0.5	317	90