[IMPROVEMENT] Convert UTC to time

[VANKINEENITAWRUN]

@RocketChat/android

Closes #2046

Changes: [converted the given UTC offset to time.]

Screenshots or GIF for the change:

[CLAassistant]

All committers have signed the CLA.

[CLAassistant]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[philipbrito]

@VANKINEENITAWRUN Could you please sign in our CLA?

[VANKINEENITAWRUN]

I did @filipedelimabrito it's still pending.