5M+ Downloads

EpiWeeks

Epidemiological Weeks Calculation

A validated tool for calculating epidemiological weeks, built for public health professionals and researchers worldwide

Current Week

Based on today's date (UTC)
Year2026
Week09
System
Start DateSun 01 Mar 2026
End DateSat 07 Mar 2026

Why EpiWeeks

Built on a validated Python package that follows the official CDC and ISO systems

5M+ Downloads

Used by public health professionals and developers worldwide.

Dual System Support

Supports both CDC (MMWR) and ISO week numbering systems.

Accurate & Reliable

Validated against official MMWR week reference tables.

Well Documented

Complete documentation with examples and integration guides.

Lightweight

Minimal footprint with zero external dependencies.

Developer Friendly

Type-safe API with full annotations for seamless integration.

Trusted By

Adopted by public health authorities and research institutions around the worldplus thousands of researchers and developers