Date and Time

• anytime: Anything to 'POSIXct' Converter
• AnomalyDetection: Anomaly Detection Using Seasonal Hybrid Extreme Studentized Deviate Test
• chron: Chronological Objects which can Handle Dates and Times
• forecast: Forecasting Functions for Time Series and Linear Models
• [hms]: Pretty Time of Day
• lubridate: Make dealing with dates a little easier
• seasonal: R Interface to X-13-ARIMA-SEATS
• timeDate: Rmetrics - Chronological and Calendar Objects
• timekit: A Collection of Tools for Working with Time Series in R
• TSdist: Distance Measures for Time Series Data
• tseries: Time Series Analysis and Computational Finance
• zoo: S3 Infrastructure for Regular and Irregular Time Series (Z's Ordered Observations)
• x13binary: Provide the 'x13ashtml' Seasonal Adjustment Binary
• xts: eXtensible Time Series