No, date fields all hold one single item, you'll need two of them.
As for the layout, again, no, JIRA lists them one line at a time.
Both of those could be done if you're willing to find or write an add-on to provide a dual field, and/or code to re-arrange the display
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs