how many times have the boston celtics been to the nba finals dates

The Boston Celtics had 1 appearance in the NBA Finals on March 30, 1957.

	TEAM	DAY	SEASON	SERIES	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Celtics	3/30/1957	1956-57	NBA Finals	290.0	123.0	67.0	17.0	44.0	124.0	35.5	35.0	42.0	83.3	43.2	290	123	67	17	34
2	Celtics	3/31/1957	1956-57	NBA Finals	240.0	119.0	81.0	24.0	47.0	121.0	38.8	25.0	31.0	80.6	44.2	240	119	81	24	27
3	Celtics	4/6/1957	1956-57	NBA Finals	240.0	98.0	64.0	19.0	29.0	99.0	29.3	40.0	48.0	83.3	40.8	240	98	64	19	27
4	Celtics	4/7/1957	1956-57	NBA Finals	240.0	123.0	59.0	26.0	44.0	106.0	41.5	35.0	51.0	68.6	47.9	240	123	59	26	35
5	Celtics	4/9/1957	1956-57	NBA Finals	240.0	124.0	70.0	33.0	49.0	106.0	46.2	26.0	39.0	66.7	50.3	240	124	70	33	33
6	Celtics	4/11/1957	1956-57	NBA Finals	240.0	94.0	65.0	17.0	35.0	115.0	30.4	24.0	34.0	70.6	36.2	240	94	65	17	28
7	Celtics	4/13/1957	1956-57	NBA Finals	290.0	125.0	81.0	22.0	47.0	128.0	36.7	31.0	54.0	57.4	41.2	290	125	81	22	37
8	Celtics	3/29/1958	1957-58	NBA Finals	240.0	102.0	69.0	11.0	32.0	100.0	32.0	38.0	50.0	76.0	41.8	240	102	69	11	30
9	Celtics	3/30/1958	1957-58	NBA Finals	240.0	136.0	77.0	25.0	48.0	103.0	46.6	40.0	46.0	87.0	55.2	240	136	77	25	32
10	Celtics	4/2/1958	1957-58	NBA Finals	240.0	108.0	61.0	19.0	35.0	93.0	37.6	38.0	60.0	63.3	45.2	240	108	61	19	32
11	Celtics	4/5/1958	1957-58	NBA Finals	240.0	109.0	64.0		36.0	110.0	32.7	37.0	42.0	88.1	42.4	240	109	64		35
12	Celtics	4/9/1958	1957-58	NBA Finals	240.0	100.0	66.0	18.0	32.0	106.0	30.2	36.0	50.0	72.0	39.1	240	100	66	18	35
13	Celtics	4/12/1958	1957-58	NBA Finals	240.0	109.0	56.0		33.0	96.0	34.4	43.0	50.0	86.0	46.2	240	109	56		30
14	Celtics	4/4/1959	1958-59	NBA Finals	240.0	118.0	86.0	29.0	47.0	130.0	36.2	24.0	33.0	72.7	40.8	240	118	86	29	20
15	Celtics	4/5/1959	1958-59	NBA Finals	240.0	128.0	82.0	31.0	47.0	116.0	40.5	34.0	43.0	79.1	47.4	240	128	82	31	23
16	Celtics	4/7/1959	1958-59	NBA Finals	240.0	123.0	62.0	34.0	48.0	106.0	45.3	27.0	43.0	62.8	49.2	240	123	62	34	23
17	Celtics	4/9/1959	1958-59	NBA Finals	240.0	118.0	65.0	20.0	46.0	111.0	41.4	26.0	40.0	65.0	45.9	240	118	65	20	24
18	Celtics	3/27/1960	1959-60	NBA Finals	240.0	140.0	73.0	27.0	61.0	133.0	45.9	18.0	24.0	75.0	48.8	240	140	73	27	20
19	Celtics	3/29/1960	1959-60	NBA Finals	240.0	103.0	73.0	17.0	40.0	109.0	36.7	23.0	29.0	79.3	42.3	240	103	73	17	18
20	Celtics	4/2/1960	1959-60	NBA Finals	240.0	102.0	52.0	22.0	39.0	95.0	41.1	24.0	35.0	68.6	46.2	240	102	52	22	20
21	Celtics	4/3/1960	1959-60	NBA Finals	240.0	96.0	55.0	5.0	33.0	93.0	35.5	30.0	38.0	78.9	43.7	240	96	55	5	24
22	Celtics	4/5/1960	1959-60	NBA Finals	240.0	127.0	72.0	25.0	55.0	122.0	45.1	17.0	24.0	70.8	47.9	240	127	72	25	22
23	Celtics	4/7/1960	1959-60	NBA Finals	240.0	102.0	45.0	21.0	36.0	103.0	35.0	30.0	42.0	71.4	42.0	240	102	45	21	27
24	Celtics	4/9/1960	1959-60	NBA Finals	240.0	122.0	78.0	27.0	50.0	114.0	43.9	22.0	29.0	75.9	48.1	240	122	78	27	25
25	Celtics	4/2/1961	1960-61	NBA Finals	240.0	129.0	85.0	24.0	52.0	123.0	42.3	25.0	33.0	75.8	46.9	240	129	85	24	23