import re


def format_text_time_zone(text):
    """Returns text after removing blank spaces inside time zone text.

    Parameters
    ----------
    text : str
        the text to be formatted.

    Returns
    -------
    str
        a string formatted to match time zone (ex. UTC+2).
    """
    text = re.sub(r'\s*\+\s*', '+', text)
    text = re.sub(r'\s*-\s*', '-', text)
    return text