SessionTime []
gives the total number of seconds of real time that have elapsed since the beginning of your Wolfram System session.
SessionTime
SessionTime []
gives the total number of seconds of real time that have elapsed since the beginning of your Wolfram System session.
Details
- SessionTime starts counting time as soon as your operating system considers your Wolfram System process to be executing.
- SessionTime is accurate only down to a granularity of at least $TimeUnit seconds.
Examples
Basic Examples (2)
The number of seconds since this kernel session started:
Get cumulative wall-clock timings during a computation:
The intervals between timings:
Tech Notes
Related Guides
History
Introduced in 1991 (2.0)
Text
Wolfram Research (1991), SessionTime, Wolfram Language function, https://reference.wolfram.com/language/ref/SessionTime.html.
CMS
Wolfram Language. 1991. "SessionTime." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/SessionTime.html.
APA
Wolfram Language. (1991). SessionTime. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/SessionTime.html
BibTeX
@misc{reference.wolfram_2025_sessiontime, author="Wolfram Research", title="{SessionTime}", year="1991", howpublished="\url{https://reference.wolfram.com/language/ref/SessionTime.html}", note=[Accessed: 16-November-2025]}
BibLaTeX
@online{reference.wolfram_2025_sessiontime, organization={Wolfram Research}, title={SessionTime}, year={1991}, url={https://reference.wolfram.com/language/ref/SessionTime.html}, note=[Accessed: 16-November-2025]}