איזה יום יפה by Yarkon Bridge Trio first appeared on the Israeli foreign-music chart on 18 May 1964, entering at #12. It peaked at #1 on 22 Jun 1964, holding the top spot for 2 weeks. In total it spent 10 weeks on the chart, last charting on 20 Jul 1964.
| Wk | Date | Pos |
|---|---|---|
| 1 | 18 May 1964 | 12 |
| 2 | 25 May 1964 | 8 |
| 3 | 1 Jun 1964 | 4 |
| 4 | 8 Jun 1964 | 3 |
| 5 | 15 Jun 1964 | 2 |
| 6 | 22 Jun 1964 | 1 |
| 7 | 29 Jun 1964 | 1 |
| 8 | 6 Jul 1964 | 4 |
| 9 | 13 Jul 1964 | 8 |
| 10 | 20 Jul 1964 | 12 |