Block tomorrow's prayer times in your calendar and get them on Telegram

from datetime import datetime, timedelta
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, http

CITY, COUNTRY, TZ, CHAT_ID = "London", "UK", "Europe/London", "your-telegram-chat-id"

@on_trigger
def run(event):
    day = datetime.now() + timedelta(days=1)
    data = http.get(f"https://api.aladhan.com/v1/timingsByCity/{day:%d-%m-%Y}",
                    params={"city": CITY, "country": COUNTRY}).json()["data"]["timings"]
    prayers = ["Fajr", "Dhuhr", "Asr", "Maghrib", "Isha"]
    cal = build("calendar", "v3", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    for p in prayers:
        start = datetime.strptime(f"{day:%Y-%m-%d} {data[p][:5]}", "%Y-%m-%d %H:%M")
        cal.events().insert(calendarId="primary", body={"summary": p, "transparency": "opaque",
            "start": {"dateTime": start.isoformat(), "timeZone": TZ},
            "end": {"dateTime": (start + timedelta(minutes=15)).isoformat(), "timeZone": TZ}}).execute()
    text = f"Tomorrow ({day:%a %d %b}):\n" + "\n".join(f"{p} {data[p][:5]}" for p in prayers)
    http.post(f"https://api.telegram.org/bot{credentials.secret('TELEGRAM_BOT_TOKEN')}/sendMessage",
              json={"chat_id": CHAT_ID, "text": text})
    return {"blocked": len(prayers)}