Download the Schedule Remainder for your Calendars to control the Junk messages. Do not send any forwarded messages on these days. WhatsApp was once a wonderful messaging app and now slowly converting to a trash with lots of Junk forwards. This is just a first step towards making any messenger effective and we share only that matters. As individuals we need to verify each message just blindly hitting copy + share to Group Chats in Whatsapp.
Learn how to Mute Whatsapp Group Chat. Archive or Use Whatsapp Group Chat mute option to hide unwanted notifications from Group Chat messages.