startdate
nounUK /ˈstɑːt.deɪt/
US /ˈstɑːrt.deɪt/
The day when something begins.
The startdate of our summer camp is June 1st.
OTHER MEANINGS
2. The first day of a project or job.
Please write the startdate on the project form.
3. The date a subscription or service begins.
Your membership startdate is shown on your card.
4. The day an event or trip is planned to begin.
We changed the startdate of our vacation to Friday.