Returns the January and July offsets (in nanoseconds) for a given timezone and year.
Used for inferring daylight saving time and hemisphere characteristics.
Parameters
timeZone: string
The IANA timezone string
year: number = 2024
The reference year to calculate offsets for (default: 2024 for stability)
Returns the January and July offsets (in nanoseconds) for a given timezone and year. Used for inferring daylight saving time and hemisphere characteristics.