The winning New York Win 4 numbers for March 15, 2021 were: midday 8-1-2-6; evening 4-4-9-4.
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 |
|---|---|---|---|---|
| Mar 15, 2021 | Evening | 4-4-9-4 | 21 | 3 |
| Mar 15, 2021 | Midday | 8-1-2-6 | 17 | 8 |
| Mar 14, 2021 | Evening | 5-0-8-0 | 13 | 4 |
| Mar 14, 2021 | Midday | 7-2-1-0 | 10 | 1 |
| Mar 13, 2021 | Evening | 0-8-6-5 | 19 | 1 |
| Mar 13, 2021 | Midday | 9-2-0-0 | 11 | 2 |
| Mar 12, 2021 | Evening | 3-3-8-0 | 14 | 5 |
| Mar 12, 2021 | Midday | 6-9-0-4 | 19 | 1 |
| Mar 11, 2021 | Evening | 5-8-8-2 | 23 | 5 |
| Mar 11, 2021 | Midday | 4-3-1-9 | 17 | 8 |
| Mar 10, 2021 | Evening | 5-2-6-8 | 21 | 3 |
| Mar 10, 2021 | Midday | 2-8-5-4 | 19 | 1 |
| Mar 9, 2021 | Evening | 5-7-4-3 | 19 | 1 |
| Mar 9, 2021 | Midday | 8-0-3-6 | 17 | 8 |