Account expiration date/time discrepancy

Summary

Group's billing page displays conflicting expiration information.

Steps to reproduce

• Log into/impersonate any paid (group) account
• Navigate to the group's billing page
• View expiration dates on page

What is the current bug behavior?

• When viewing the expiration dates for the group, I see two different dates

What is the expected correct behavior?

• I expect the expiration dates to be the same

Relevant logs and/or screenshots

Some discussion about potential cause: https://gitlab.slack.com/archives/C4XFU81LG/p1545214916404200