import time


def get_current_timestamp():
    return int(round(time.time() * 1000))


def convert_cst_in_second_to_utc(time_in_second):
    time_in_second = int(time_in_second)
    if time_in_second > 946656000 and time_in_second < 946656000000:
        return (time_in_second - 8 * 60 * 60) * 1000
    else:
        return 0


def convert_cst_in_millisecond_to_utc(time_in_ms):
    time_in_ms = int(time_in_ms)
    if time_in_ms > 946656000000:
        return time_in_ms - 8 * 60 * 60 * 1000
    else:
        return 0