Heaven Knows by Donna Summer first appeared on the Israeli foreign-music chart on 19 Feb 1979, entering at #30. It peaked at #5 on 26 Mar 1979. In total it spent 12 weeks on the chart, last charting on 7 May 1979.
| Wk | Date | Pos |
|---|---|---|
| 1 | 19 Feb 1979 | 30 |
| 2 | 26 Feb 1979 | 26 |
| 3 | 5 Mar 1979 | 23 |
| 4 | 12 Mar 1979 | 15 |
| 5 | 19 Mar 1979 | 7 |
| 6 | 26 Mar 1979 | 5 |
| 7 | 2 Apr 1979 | 5 |
| 8 | 9 Apr 1979 | 13 |
| 9 | 16 Apr 1979 | 18 |
| 10 | 23 Apr 1979 | 30 |
| 11 | 30 Apr 1979 | 35 |
| 12 | 7 May 1979 | 38 |