greeting according to time with respect to their place

import datetime
import pytz
def get_time_based_greeting(hour):
    if 0 <= hour < 12:
        return "Good morning"
    elif 12 <= hour < 16:
        return "Good afternoon"
    elif 16 <= hour < 21:
        return "Good evening"
    elif 21 <= hour < 24:
        return "Good night"
    else:
        return "It is an invalid time"
def get_time_zone(place):
    time_zones = {
        "India": "Asia/Kolkata",
        "Spain": "Europe/Madrid",
        "France": "Europe/Paris",
        "Germany": "Europe/Berlin",
        "Netherlands": "Europe/Amsterdam",
        "Italy": "Europe/Rome",
        "Japan": "Asia/Tokyo",
        "China": "Asia/Beijing",
        "USA": "America/New_York", 
    }
    return time_zones.get(place,"UTC")
def get_local_hour(place):
    time_zone = get_time_zone(place)
    local_time = datetime.datetime.now(pytz.timezone(time_zone))
    return local_time.hour
user_place = "India" 
local_hour = get_local_hour(user_place)
time_greeting = get_time_based_greeting(local_hour)
print(f"{time_greeting}, sir!")