offers a way to query a Javascript AST to find specific patterns using a syntax somewhat similar to XPath.
JavaScript library for quantity calculation and unit conversion
TypeScript definitions for js-quantities
An astronomical library
High precision Islamic prayer time library
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
Astronomical Gregorian and Jalali date conversion based on the Iranian calendar's equinox rule.
Simple, versatile string pluralization
An astronomical HiPS visualizer in the browser
Astronomical calculations for planetary positions, moon phases, eclipses, rise, transit, and set times, and more.
High-precision Swiss Ephemeris WebAssembly bindings for TypeScript — comprehensive astronomical calculations including planetary positions, house systems, eclipses, fixed stars, and astrological computations with modern JS/TS support.
Angular component library for units of measurement.
Date/time, IANA timezones, leap seconds, TAI/UTC conversions, calendar with settable Julian/Gregorian switchover
The NeutriumJS unit conversion module.
A node for node-red that generates events based on the position of the Sun at the appropriate time of day
reckoning of common holiday dates
Convert between quantities in different units
Complete Hindu Panchanga calculator with Tithi, Nakshatra, Yoga, Karana, Vara calculations and Swiss Ephemeris precision
astronomical image display everywhere
Dimensional analysis and unit conversions
TypeScript types and interfaces for Swiss Ephemeris
Asynchronous bulk edit utility for Front Matter powered Markdown files
Advanced MCP server providing comprehensive time and timezone tools
A simple Node-RED node that routes messages depending on the time. If the current time falls within the range specified in the node configuration, the message is routed to output 1. Otherwise the message is routed to output 2.