This could be because the clock on your phone is inaccurate. This can typically be rectified by following these simple steps:

• On Android devices, enable Automatic date & time option on the system by navigating to Settings > Date & time > Automatic date & time.  You can also try to set the time zone automatically.
• On Apple devices, change time and date to Set automatically by navigating to
  Settings > General > Date & time > Set automatically