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+++ b/README.md
@@ -2,3 +2,16 @@
 
 ### Installation
 `npm i generate-timezone-json`
+
+### Usage
+
+1. Run: `generate-timezone-json` to generate timezones.json from official IANA Database, 
+    - this will generate a file named "timezones.json" with data coming from the official IANA database
+
+### Planned features (not yet implemented)
+
+1. To generate timezones.json from a TAB file, run: `generate-timezone-json <filename>`
+    - for example, using a file named "zone.tab": `generate-timezone-json zone.tab`
+2. Specify an output directory with option `--outDir`: `generate-timezone <filename> --outDir <directory>`
+
+