I have to work on weekends

I have to work on weekends as well.
For my temporary job, I signed a contract by taking a break only once a week from the beginning.
But I just accept it because it's my choice.
I understand almost all cultural facilities such as museums open on weekends and close on Mondays.
In the past, there were not many visitors to the gallery because we should have followed a policy.
these days, another epidemic like Omicron is getting worse, so the number of visitors has decreased slightly.

I have to work on the weekends as well.
For my temporary job, I signed a contract by taking a break only once a week from the beginning.
But I just accepted it because it's my choice. (?) (Do you mean you just accepted it because you have no choice or it's alright)
I understand almost all cultural facilities such as museums open on weekends and close on Mondays.
In the past, there weren't many visitors to in the gallery because we should have followed a policy. the policy must be followed.
These days, another epidemic like Omicron is getting worse, so the number of visitors has have decreased slightly.