Kari Naal (கரிநாள்) is not best day to do good things because in Kari Naal our body organs will be affected if we go in the sun too much on that day as the sun’s radiation will be slightly higher on the days. Damage to the organs, the nature of its function and the state of mind will be affected. On these days it is best that we do not do good things and not go out in the sun.
Kari Naal in January 2025
| Date | Tamil Calendar Date | Day |
| January 14 | தை 1 | Tuesday |
| January 15 | தை 2 | Wednesday |
| January 16 | தை 3 | Thursday |
| January 24 | தை 11 | Friday |
| January 30 | தை 17 | Thursday |
Kari Naal in February 2025
| Date | Tamil Calendar Date | Day |
| February 27 | மாசி 15 | Thursday |
| February 28 | மாசி 16 | Friday |
Kari Naal in March 2025
| Date | Tamil Calendar Date | Day |
| March 1 | மாசி 17 | Saturday |
| March 20 | பங்குனி 6 | Thursday |
| March 29 | பங்குனி 15 | Saturday |
Kari Naal in April 2025
| Date | Tamil Calendar Date | Day |
| April 2 | பங்குனி 19 | Wednesday |
| April 19 | சித்திரை 6 | Saturday |
| April 28 | சித்திரை 15 | Monday |
Kari Naal in May 2025
| Date | Tamil Calendar Date | Day |
| May 21 | வைகாசி 7 | Wednesday |
| May 30 | வைகாசி 16 | Friday |
| May 31 | வைகாசி 17 | Saturday |
Kari Naal in June 2025
| Date | Tamil Calendar Date | Day |
| June 15 | ஆனி 1 | Sunday |
| June 20 | ஆனி 6 | Friday |
Kari Naal in July 2025
| Date | Tamil Calendar Date | Day |
| July 18 | ஆடி 2 | Friday |
| July 26 | ஆடி 10 | Saturday |
Kari Naal in August 2025
| Date | Tamil Calendar Date | Day |
| August 5 | ஆடி 20 | Tuesday |
| August 18 | ஆவணி 2 | Monday |
| August 25 | ஆவணி 9 | Monday |
Kari Naal in September 2025
| Date | Tamil Calendar Date | Day |
| September 13 | ஆவணி 28 | Saturday |
Kari Naal in October 2025
| Date | Tamil Calendar Date | Day |
| October 2 | புரட்டாசி 16 | Thursday |
| October 15 | புரட்டாசி 29 | Wednesday |
| October 23 | ஐப்பசி 5 | Thursday |
Kari Naal in November 2025
| Date | Tamil Calendar Date | Day |
| November 6 | ஐப்பசி 20 | Thursday |
| November 17 | கார்த்திகை 1 | Monday |
| November 26 | கார்த்திகை 10 | Wednesday |
Kari Naal in December 2025
| Date | Tamil Calendar Date | Day |
| December 3 | கார்த்திகை 17 | Wednesday |
| December 21 | மார்கழி 6 | Sunday |
| December 24 | மார்கழி 9 | Wednesday |
| December 26 | மார்கழி 11 | Friday |
Kari Naal (கரிநாள்) is the day on which it is referred to, and it is slightly more exposed to the sun than normal. Because of this it is scientifically stated that on Kari Naal it is better to avoid going in the sun as much as it is to go and work in the sun on normal days.