$dateFromParts / $dateToParts
Reference group: Date expressions
What it does
Constructs dates from parts or decomposes dates.
Syntax
Date construction/decomposition expressions
Use case
Build period boundaries or extract multiple components.
$dateFromParts / $dateToParts: practical example
{ $project: { parts: { $dateToParts: { date: "$createdAt", timezone: "Asia/Kolkata" } } } }💡 Explanation
Constructs dates from parts or decomposes dates.
When to use it
Build period boundaries or extract multiple components.
Key Takeaways
- Constructs dates from parts or decomposes dates.
- Typical use: Build period boundaries or extract multiple components.