momentvs@js-temporal/polyfill

Winner: moment

moment is the safest overall pick in this comparison

moment41/100

@js-temporal/polyfill24/100

Measured evidence

Health scores: moment: 41/100, @js-temporal/polyfill: 24/100.
Releases in the last 90 days: moment: 0, @js-temporal/polyfill: 0.
GitHub activity: moment: 7 commits, @js-temporal/polyfill: 1 commits.
Known vulnerabilities: moment: 0, @js-temporal/polyfill: 0.
OpenSSF scores: moment: 3.1/10, @js-temporal/polyfill: 4.5/10.

Caveats

The score favors moment, but ecosystem fit and API ergonomics can still outweigh the measured gap.

Package details

Risk signals

Measured metrics — each value links to its source.

Signal	moment	@js-temporal/polyfill
Release cadence	0 releases in last 90 days	0 releases in last 90 days
Last release	945 days ago	485 days ago
Open issues	171 open issues	47 open issues
Bus factor	top contributor makes 47.69% of commits	top contributor makes 61.73% of commits
Commit activity	7 commits in the last 90 days	1 commits in the last 90 days
Pull request activity	15 PRs opened in the last 90 days	1 PRs opened in the last 90 days
OpenSSF score	3.1/10	4.5/10
Vulnerabilities	0 known vulnerabilities

Weekly npm downloads

Daily downloads aggregated to weekly sums (last 5 years).

moment@js-temporal/polyfill

View as table

Week	moment	@js-temporal/polyfill
2026-07-20	2,189,834	1,714,074
2026-07-13	23,336,044	1,677,974
2026-07-06	26,088,753	1,146,629
2026-06-29	32,946,357	1,125,076
2026-06-22	35,021,352	1,429,497
2026-06-15	35,288,839	1,396,209
2026-06-08	35,311,553	1,453,308
2026-06-01	27,464,569	889,325
2026-05-25	31,809,894	1,269,490
2026-05-18	33,892,716	1,211,522
2026-05-11	34,420,653	1,232,059
2026-05-04	33,069,418	1,107,276
2026-04-27	31,137,899	1,035,979
2026-04-20	31,441,952	1,042,357
2026-04-13	31,223,028	960,469
2026-04-06	30,268,081	880,109
2026-03-30	29,676,677	850,573
2026-03-23	31,668,708	908,790
2026-03-16	31,119,191	850,646
2026-03-09	31,961,845	816,902
2026-03-02	30,993,763	746,109
2026-02-23	30,605,636	687,212
2026-02-16	27,542,012	564,231
2026-02-09	28,553,491	547,368
2026-02-02	28,185,388	614,520
2026-01-26	27,357,642	612,590
2026-01-19	26,534,326	586,594
2026-01-12	25,887,772	564,500
2026-01-05	24,051,825	439,192
2025-12-29	13,899,871	207,591
2025-12-22	14,682,583	188,973
2025-12-15	25,537,371	445,592
2025-12-08	26,975,397	415,710
2025-12-01	27,287,241	419,636
2025-11-24	25,814,106	326,461
2025-11-17	26,702,375	366,928
2025-11-10	25,800,382	356,827
2025-11-03	26,198,631	349,168
2025-10-27	25,921,399	385,475
2025-10-20	21,554,324	399,153
2025-10-13	25,283,540	359,822
2025-10-06	24,887,179	380,104
2025-09-29	24,510,284	360,073
2025-09-22	24,708,247	353,687
2025-09-15	24,762,412	301,609
2025-09-08	24,738,037	314,391
2025-09-01	22,994,209	281,857
2025-08-25	24,953,854	242,831
2025-08-18	23,821,873	252,892
2025-08-11	22,421,046	249,233
2025-08-04	23,237,764	253,953
2025-07-28	25,358,157	245,913
2025-07-21	23,963,754	226,338
2025-07-14	24,746,122	215,582
2025-07-07	25,233,823	237,026
2025-06-30	25,049,629	218,270
2025-06-23	27,603,631	240,744
2025-06-16	26,406,486	244,589
2025-06-09	24,405,682	238,005
2025-06-02	24,412,238	268,401
2025-05-26	22,749,207	316,587
2025-05-19	24,251,967	388,697
2025-05-12	23,984,303	202,174
2025-05-05	22,899,714	185,456
2025-04-28	21,101,887	168,527
2025-04-21	22,197,944	165,367
2025-04-14	21,645,486	158,125
2025-04-07	23,121,361	172,394
2025-03-31	22,763,360	170,253
2025-03-24	23,418,519	171,070
2025-03-17	23,616,213	176,517
2025-03-10	23,181,073	162,990
2025-03-03	22,877,697	150,461
2025-02-24	23,225,353	159,340
2025-02-17	22,545,174	156,783
2025-02-10	23,293,153	158,068
2025-02-03	23,231,771	167,867
2025-01-27	22,120,972	138,577
2025-01-20	21,472,061	133,702
2025-01-13	21,354,116	129,166
2025-01-06	20,397,566	127,316
2024-12-30	12,425,687	65,484
2024-12-23	11,365,200	67,566
2024-12-16	20,880,613	126,303
2024-12-09	21,853,758	142,451
2024-12-02	21,989,016	135,159
2024-11-25	21,269,687	128,355
2024-11-18	23,736,009	150,028
2024-11-11	22,061,612	138,969
2024-11-04	22,103,505	148,640
2024-10-28	20,714,715	135,599
2024-10-21	22,332,204	134,796
2024-10-14	21,246,125	132,672
2024-10-07	21,104,723	136,736
2024-09-30	20,731,509	138,544
2024-09-23	21,771,755	150,913
2024-09-16	21,160,802	151,888
2024-09-09	21,817,917	151,454
2024-09-02	20,307,671	141,301
2024-08-26	20,607,621	138,179
2024-08-19	20,467,779	128,374
2024-08-12	19,433,677	121,531
2024-08-05	20,356,194	129,758
2024-07-29	20,604,282	128,594
2024-07-22	20,752,861	134,319
2024-07-15	21,174,644	130,506
2024-07-08	20,806,655	129,730
2024-07-01	19,055,798	124,199
2024-06-24	20,274,029	130,810
2024-06-17	19,736,372	129,019
2024-06-10	20,237,098	126,663
2024-06-03	20,499,146	125,880
2024-05-27	19,342,682	121,247
2024-05-20	19,690,471	121,572
2024-05-13	20,160,448	130,190
2024-05-06	18,945,784	121,859
2024-04-29	18,210,597	119,512
2024-04-22	20,086,471	134,077
2024-04-15	20,368,441	131,583
2024-04-08	19,970,492	126,792
2024-04-01	19,563,659	131,161
2024-03-25	18,363,538	124,729
2024-03-18	21,723,853	142,428
2024-03-11	22,357,643	147,552
2024-03-04	21,864,334	197,812
2024-02-26	21,914,068	199,419
2024-02-19	20,889,718	147,865
2024-02-12	19,965,891	149,812
2024-02-05	20,236,520	149,023
2024-01-29	20,832,308	147,026
2024-01-22	20,373,286	145,396
2024-01-15	19,685,255	140,042
2024-01-08	21,027,791	133,282
2024-01-01	16,865,648	98,822
2023-12-25	13,761,285	59,556
2023-12-18	19,663,173	111,747
2023-12-11	20,257,159	124,149
2023-12-04	19,382,849	125,622
2023-11-27	21,920,524	121,096
2023-11-20	20,817,535	100,265
2023-11-13	21,919,197	104,085
2023-11-06	21,873,838	107,524
2023-10-30	15,369,532	71,105
2023-10-23	22,210,764	99,500
2023-10-16	22,086,457	105,901
2023-10-09	21,087,355	93,901
2023-10-02	20,387,516	95,700
2023-09-25	20,967,232	97,491
2023-09-18	20,621,678	87,184
2023-09-11	20,446,929	83,697
2023-09-04	19,783,118	78,551
2023-08-28	21,851,917	87,850
2023-08-21	22,542,549	80,835
2023-08-14	20,338,293	75,961
2023-08-07	20,826,460	75,660
2023-07-31	20,147,390	74,687
2023-07-24	20,414,924	84,174
2023-07-17	20,255,797	82,455
2023-07-10	20,304,611	87,368
2023-07-03	18,335,434	75,625
2023-06-26	19,699,739	68,604
2023-06-19	20,085,677	71,221
2023-06-12	21,170,147	75,435
2023-06-05	20,242,875	70,962
2023-05-29	19,116,846	64,666
2023-05-22	19,305,761	67,901
2023-05-15	20,573,060	64,969
2023-05-08	20,349,195	59,344
2023-05-01	19,187,131	50,220
2023-04-24	21,982,876	62,054
2023-04-17	22,859,545	58,267
2023-04-10	20,566,590	51,269
2023-04-03	19,658,763	45,460
2023-03-27	21,894,168	49,213
2023-03-20	21,057,605	48,058
2023-03-13	21,040,141	52,634
2023-03-06	20,568,516	48,762
2023-02-27	21,036,437	53,422
2023-02-20	21,901,031	45,654
2023-02-13	21,632,052	47,263
2023-02-06	22,904,571	44,646
2023-01-30	21,920,436	44,390
2023-01-23	20,124,113	42,246
2023-01-16	19,260,428	42,747
2023-01-09	19,456,765	41,541
2023-01-02	15,691,640	31,077
2022-12-26	11,049,423	16,827
2022-12-19	16,990,930	32,791
2022-12-12	19,624,681	31,428
2022-12-05	19,787,231	32,751
2022-11-28	20,218,710	31,800
2022-11-21	18,711,044	27,336
2022-11-14	21,444,634	30,050
2022-11-07	19,691,994	31,545
2022-10-31	18,774,024	29,975
2022-10-24	19,690,230	28,477
2022-10-17	19,986,856	27,793
2022-10-10	19,098,872	26,713
2022-10-03	18,612,742	24,824
2022-09-26	19,655,249	25,443
2022-09-19	19,411,125	20,663
2022-09-12	19,950,282	23,813
2022-09-05	18,632,702	23,558
2022-08-29	19,173,910	23,109
2022-08-22	20,027,090	22,149
2022-08-15	19,058,028	19,613
2022-08-08	19,341,312	18,885
2022-08-01	19,750,141	19,810
2022-07-25	19,788,135	18,221
2022-07-18	16,870,646	15,783
2022-07-11	19,687,759	15,399
2022-07-04	19,202,799	15,952
2022-06-27	19,828,285	16,054
2022-06-20	20,053,057	15,025
2022-06-13	19,680,819	13,871
2022-06-06	20,072,178	13,081
2022-05-30	20,003,801	10,796
2022-05-23	20,328,598	12,075
2022-05-16	19,969,520	11,006
2022-05-09	19,190,364	10,869
2022-05-02	17,133,377	8,283
2022-04-25	18,912,656	11,844
2022-04-18	18,097,740	11,087
2022-04-11	18,023,625	8,981
2022-04-04	20,236,541	9,787
2022-03-28	19,517,481	9,683
2022-03-21	19,184,308	8,508
2022-03-14	18,878,482	7,766
2022-03-07	18,816,066	7,144
2022-02-28	18,511,993	6,155
2022-02-21	18,365,277	6,160
2022-02-14	19,480,416	5,761
2022-02-07	19,520,226	5,558
2022-01-31	18,563,883	5,219
2022-01-24	18,433,599	4,410
2022-01-17	17,803,314	5,147
2022-01-10	18,043,737	4,726
2022-01-03	15,212,087	4,549
2021-12-27	9,974,885	1,757
2021-12-20	13,731,607	3,523
2021-12-13	17,629,593	4,181
2021-12-06	16,658,177	3,902
2021-11-29	16,594,866	4,184
2021-11-22	14,894,182	3,234
2021-11-15	16,560,712	3,574
2021-11-08	16,300,682	2,669
2021-11-01	15,685,272	2,314
2021-10-25	16,454,141	2,441
2021-10-18	16,402,093	2,035
2021-10-11	16,071,264	2,010
2021-10-04	16,232,059	1,232
2021-09-27	16,158,025	1,422
2021-09-20	16,066,183	1,145
2021-09-13	16,036,190	1,077
2021-09-06	15,023,956	911
2021-08-30	15,788,033	1,249
2021-08-23	15,670,616	902
2021-08-16	15,381,711	897
2021-08-09	15,311,101	670
2021-08-02	15,274,909	425
2021-07-26	4,003,693	47

moment details @js-temporal/polyfill details