[iOS] Date cut off for some past Summary periods

Issue: Date cut off for some Summary periods.

Details to reproduce: Navigate to Summary Tab ==> click “This Month” at the top of the screen ==> scroll through previous Summary periods.
OS: iOS 12.1.3
Device: iPhone 6
App Version: 2.33.0 TestFlight

Screenshots:
Photo%2031-01-2019%2C%2017%2020%2006

Photo%2031-01-2019%2C%2017%2021%2051

Same on iPhone X
iOS 12.1.3
Monzo 2.32.0