* Fix conversion warning on chrono.h
warning: conversion from 'time_t' {aka 'long long int'} to 'long int' may change value [-Wconversion]
* Changing write_utc_offset to accept a long long instead of the static_cast as requested..
* Fix conversion warning on chrono.h
warning: conversion from 'time_t' {aka 'long long int'} to 'long int' may change value [-Wconversion]
* Changing write_utc_offset to accept a long long instead of the static_cast as requested..