| Date | Change Type | Time Delta (hours) | Reason |
| Jan 02, 2018 | OBSERVER_REQUESTED | -1.3 | as per January 2, 2018 email from Santiago Arribas |
| Jan 30, 2018 | OBSERVER_REQUESTED | +0.1 | as per January 29, 2018 email from Pierre Ferruit |
| Apr 30, 2020 | TRANSFER | +1.1 | Redistrubution of time 04/2020 |
| Sep 09, 2020 | OVERHEAD_CHANGE | +0.1 | APT 2020.4 |
| Dec 19, 2020 | OVERHEAD_CHANGE | +0.3 | APT 2020.5 |
| Jul 20, 2021 | OBSERVER_REQUESTED | +1.0 | Per TTRBJWST-88418 request. |
| Feb 12, 2022 | OVERHEAD_CHANGE | +0.1 | APT 2022.1 |
| Jun 23, 2022 | OVERHEAD_CHANGE | +0.1 | PRDOPSSOC-053 |
| Aug 20, 2022 | OVERHEAD_CHANGE | +0.1 | APT 2022.5.1 |
| Sep 15, 2022 | OVERHEAD_CHANGE | -0.7 | APT 2022.5.3 |
| Nov 18, 2022 | OVERHEAD_CHANGE | +0.3 | APT 2022.7.1 |
