Please include all relevant information so we will be able to help you accurately.
► OS version (see device settings > general > about > version)
► Device time zone (see device settings > general > date & time > time zone)
► Application time zone (see application settings > calendar > time zone support > time zone)
► Application version (see bottom of application settings)
► Application language
If you send a message from application settings > provide feedback all the information above is already filled.
Please also tell us which calendar type you use with WeekCal (iCloud, Google, Outlook.com, Exchange, …).
See identify calendar type for help with identifying if you don’t know.
Please send us an email in case you’re not able to open the application at all.