My bot stopped sending questions the day Egypt turned on Daylight Saving Time

I built a Telegram bot that sends math questions to kids every day at 2:30 PM Egypt time. It had been live for two weeks, running every single day without a problem, questions going out on time, kids answering, streaks building up. Then recently I ran /admin_health in the bot and saw 0 scheduled questions. That's when I knew something was wrong and went digging through the logs. The last successful run was April 23. That night, Egypt turned on Daylight Saving Time. Let me walk you through how th