EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Aug 24·5 min read
Show HN: How to mentally calculate the day of the week for any date
TL;DR
A method to quickly calculate the day of the week for any date has been unveiled, relying on two key secrets and practice rather than memorization. This technique allows individuals to determine weekdays in seconds without a calendar.
✦ Why It Matters
Start practicing this technique today to impress friends and enhance your mental math skills.
Key Takeaways
- Understand weekdays as a circular pattern of seven.
- Identify key squad dates for quick reference.
- Use the Doomsday method to calculate any date's weekday.
- Practice regularly to improve speed and accuracy.
How It Works
The Clock of Days allows users to visualize weekdays as a circle, making it easier to calculate the day of the week by using remainders. The Secret Squad consists of specific dates that serve as reference points, enabling quick calculations by finding the nearest squad date and determining the leftover days to reach the target date.