Yes the temple is opened tomorrow! You can find the schedule on this website: https://www.lds.org/temples/details/sacramento-california-temple?lang=eng
Yes it is open. Endowment session schedule: 7:00 AM 8:30 AM 10:00 AM 12:00 PM 1:30 PM 3:00 PM 5:00 PM 6:30 PM 8:00 PM You can always find the schedule in the LDS Tools App.
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