Timekeeper, book 3: FirestarterTara Sim2019

The crew of the Prometheus is intent on taking down the world's clock towers so that time can run freely. Now captives, Colton, Daphne, and the others have a stark choice: join the Prometheus' cause or fight back in any small way they can and face the consequences. But Zavier, leader of the terrorists, has a bigger plan-to bring back the lost god of time.
As new threats emerge, loyalties must shift. No matter where the Prometheus goes-Prague, Austria, India-nowhere is safe, and every second ticks closer toward the eleventh hour. Walking the line between villainy and heroism, each will have to choose what's most important: saving those you love at the expense of the many, or making impossible sacrifices for the sake of a better world.