This Time I Know It's for Real by Donna Summer first appeared on the Israeli foreign-music chart on 26 Mar 1989, entering at #8. It peaked at #1 on 23 Apr 1989, holding the top spot for 1 week. In total it spent 8 weeks on the chart, last charting on 14 May 1989. It also made the year-end chart: #25 of 1989.
| Wk | Date | Pos |
|---|---|---|
| 1 | 26 Mar 1989 | 8 |
| 2 | 2 Apr 1989 | 6 |
| 3 | 9 Apr 1989 | 2 |
| 4 | 16 Apr 1989 | 2 |
| 5 | 23 Apr 1989 | 1 |
| 6 | 30 Apr 1989 | 7 |
| 7 | 7 May 1989 | 18 |
| 8 | 14 May 1989 | 26 |