Time-dependent, hadronic B decays and electroweak penguins at Belle II

We report the recent measurements performed using the data sample collected from 2019 to 2022 by the Belle~II experiment~\cite{Belle2:TDR} at $\mathrm{{\rm Y}}(4S)$ resonance, corresponding to an integrated luminosity of $362{\mathrm{f}\mathrm{b}}^{-1}$. We present the measurement of $B$ lifetime and mixing frequency, the time dependent CP-violation analyses using the $B^0\to J\psi K_S^0$, $B^0\to \phi K_S^0$, $B^0\to K_S^0{K}_S^0{K}_S^0$, $B^0\to K_S^0{\pi }^0$ decays and the implication of the latter for the isospin sum rule, the observation of $B\to D^{(\ast )}{K}^{-}{K}_S^0$ decays, the analysis of $B\to X_s\gamma$. We also present the measurements of the angle $\gamma$ using $B\to DK$ decays, with the combined dataset collected by Belle and Belle II.