There's a better way to do this, and it doesn't require memorizing obscure date functions or wrestling with conditional formatting rules. The user who posted this request is clearly capable, they've built a working formula, applied basic conditional formatting, and even identified the core logic for color-coding based on time intervals. What they're missing isn't skill; it's a tool that understands what they're trying to accomplish and can translate that intent into working syntax.
The problem here is familiar to anyone who has spent more than an hour in a traditional spreadsheet. The user wants a simple visual timeline: green for the first ten months, yellow for the next fourteen months, and red after two years. That's a straightforward business need, tracking certification expirations, warranty periods, or project milestones. Yet the solution requires chaining together `DATE`, `YEAR`, `MONTH`, and `DAY` functions, then manually configuring three separate conditional formatting rules with date arithmetic that has to be recalculated every time the input changes. The user even wonders whether they need a separate cell for the current date, which suggests they're close but stuck on the scaffolding that shouldn't exist in the first place.
An AI-native spreadsheet would handle this differently. Instead of requiring the user to translate their intent into formula fragments, it would let them describe the rule in plain language: "Turn green from the start date until ten months before the two-year mark, yellow from there until the two-year mark, and red after that." The system would understand the relationship between D164 and E164, compute the intervals automatically, apply the formatting, and update everything dynamically when the input date changes. The user wouldn't need to know that `TODAY()+670` is an approximation for ten months, or that leap years can throw off day-count formulas. They would just see their data color-coded correctly, every time.
This isn't about replacing the user's competence. It's about removing the friction that turns a simple data-tracking task into an afternoon of trial and error. The user already knows what they want their spreadsheet to do. They've proven that by building a working foundation. The next step isn't for them to learn more arcane syntax, it's for the spreadsheet to meet them halfway. When the tool understands that "two years after this date" and "color it green for the first ten months" are human concepts, not formula problems, the work gets done in seconds instead of hours. That's the shift worth exploring.