My tomatoes plants are bolting- kocome into flowering. I am growing these plants in side and I keep the temp. about 22 degrees c

Question

for about 18 hours and about 14-15 degres at night. I have the lihgt off for about 6 hours.

Answer 1

I am not sure what you are asking- normally "bolting" means that a plant grown for its leaves is producing flowers. But, on tomatoes, you want flowers. How do the plants look?

If you mean that they are getting too tall, please see these articles:
https://www.purdue.edu/hla/sites/yardandgarden/leggy-tomatoes/
https://www.gardeningknowhow.com/edible/vegetables/tomato/determinate-vs-indeterminate.htm