Wearing black and white attire when wishing Tet in the Mekong Delta is highly discouraged. In the Mekong Delta, dressing in the most vibrant colors on Tet day is believed to attract luck and prosperity, while wearing black and white is considered inauspicious, symbolizing misfortune and bad luck.

Wishing Tet on the morning of the first day
A special tradition of Tet in the Mekong Delta is the custom of visiting and blessing homes on the first day. Therefore, it's advised to limit Tet visits in the morning of this day. For many households, house owners attach great importance to home blessings, ensuring compatibility of ages. Therefore, if not invited beforehand, it's best to avoid early morning visits. In case of a busy schedule, leaving heartfelt Tet wishes for the homeowners is a thoughtful gesture.
Waking others up on the first day of the new year
One of the taboos when wishing Tet in the Mekong Delta is waking others up on the first day of the new year. This action is believed to pressure the homeowners throughout the coming year. It's better to revisit them later or send them heartfelt Tet wishes instead.
Avoid giving certain taboo gifts

When visiting to wish Tet, we should bring gifts to the hosts. However, there are 7 items to avoid when giving Tet gifts as they may bring bad luck. Those are scissors, knives, coffee, cats, clocks, squid, and pepper. Replace these with common gifts such as cakes, candied fruits... Especially meaningful Tet wishes. These are what everyone needs in the new year from relatives, friends.
Tet wishes while mourning
People in mourning are often surrounded by negative energy, so they should avoid festive places on Tet. Keep this in mind to avoid bringing bad things to other households. Instead, you can send gifts along with beautiful wishes to express your feelings. Your meaningful Tet wishes will reach their families completely.
According to Mytour
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Reference: Mytour Travel Guide
EcoEscape.comJanuary 18, 2023