A dictionary for standard abbreviation and labels of time-zone and their corresponding UTC offset.
Usage
data(IANA)Format
A modified IANA 2025b database
- Country_Name
Full name of the country (e.g., "Canada").
- Country_Code
Two-letter ISO 3166-1 alpha-2 country code (e.g., "CA").
- Timezone_IANA
Canonical IANA timezone identifier (e.g., "America/Montreal").
- TimeZone_Identifiers
Alternative or historical identifiers linked to the IANA timezone.
- TZ_Code
Short code or identifier representing the timezone, often aligned with ISO or custom dataset conventions (e.g., "EST", "PST").
- Offset
Numeric UTC offset in hours, representing the difference from Coordinated Universal Time (e.g., -5, +9).
- Observes_DST
Logical flag indicating whether the timezone observes daylight saving time (TRUE/FALSE).
- Current_DST_Status
Current daylight saving time status at the time of data capture (e.g., "DST Active").
- Current_Abbreviation
Abbreviation in effect at the reference date/time, which may be a daylight saving abbreviation (e.g., "EDT") or a standard abbreviation (e.g., "EST").
- Current_Time_Zone_long_name
Human-readable name of the timezone currently in effect, reflecting whether daylight saving time is active (e.g., "Eastern Daylight Time" in summer, "Eastern Standard Time" in winter).
- Current_Offset
UTC offset in hours at the reference date/time, including any daylight saving adjustment if applicable (e.g., -4 during EDT, -5 during EST).
- Standard_Abbreviation
Abbreviation used during standard (non-daylight saving) time only (e.g., "EST").
- Standard_Time_Zone_long_name
Human-readable name of the timezone during standard time, without daylight saving adjustment (e.g., "Eastern Standard Time").
- Standard_Offset
UTC offset in hours during standard time, excluding daylight saving adjustment (e.g., -5).