New in version 3.1.
Specify the CTest NightlyStartTime setting in a ctest(1) dashboard client script.
Note that this variable must always be set for a nightly build in a dashboard script. It is needed so that nightly builds can be properly grouped together in CDash.
© 2000–2020 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.19/variable/CTEST_NIGHTLY_START_TIME.html