The winning New York Win 4 numbers for December 15, 2021 were: midday 1-2-8-0; evening 2-9-4-8.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Dec 15, 2021 | Evening | 2-9-4-8 | 23 | 5 |
| Dec 15, 2021 | Midday | 1-2-8-0 | 11 | 2 |
| Dec 14, 2021 | Evening | 4-6-6-0 | 16 | 7 |
| Dec 14, 2021 | Midday | 7-1-3-5 | 16 | 7 |
| Dec 13, 2021 | Evening | 1-6-7-8 | 22 | 4 |
| Dec 13, 2021 | Midday | 0-9-9-7 | 25 | 7 |
| Dec 12, 2021 | Evening | 7-0-2-4 | 13 | 4 |
| Dec 12, 2021 | Midday | 9-0-2-3 | 14 | 5 |
| Dec 11, 2021 | Evening | 3-4-5-8 | 20 | 2 |
| Dec 11, 2021 | Midday | 1-6-1-6 | 14 | 5 |
| Dec 10, 2021 | Evening | 8-3-4-7 | 22 | 4 |
| Dec 10, 2021 | Midday | 0-1-4-0 | 5 | 5 |
| Dec 9, 2021 | Evening | 4-9-1-7 | 21 | 3 |
| Dec 9, 2021 | Midday | 1-1-9-3 | 14 | 5 |