# Holiday

The Holiday feature is a simple yet practical functionality that highlights how blockchain applications increasingly rely on real-world data to operate efficiently. While it may seem like an innocent use case, this feature solves a very real problem for many protocols that require reliable and up-to-date information about bank holidays and business days.

# What It Does

The Holiday Oracle provides two core functionalities:

Is It a Holiday?

• The oracle verifies whether a specific date is a bank holiday in a given jurisdiction.
• This data can be used on-chain to trigger calculations that depend on working days (e.g., loan interest accrual or payment deadlines).

Calculate Business Days

• The feature includes an interface to calculate the number of working days (non-holidays) within a specified date range.
• This is particularly useful for financial protocols that need precise calculations for payment schedules or interest periods.

# Why It Matters

For many clients, especially in the financial sector, accurate business day data is critical to ensure the proper execution of smart contracts:

Lending Protocols

Calculate loan interest or repayment schedules based only on bank days.

Payment Systems

Ensure on-chain payments align with real-world business calendars, avoiding inaccuracies due to holidays.

DeFi Insurance

Determine valid claim dates by excluding holidays from the calculation.

# How It Works

# 1.Holiday Data Source:

Fact Finance integrates with reliable external sources, such as government or bank calendars, to provide accurate holiday data for specific regions.

# 2.On-Chain Verification:

The oracle makes this data available on-chain, enabling smart contracts to query:

• Whether a date is a holiday.
• The number of business days within a date range.

# 3.Custom Regions and Calendars:

Clients can request regional configurations, ensuring that calculations reflect the correct jurisdiction’s holiday calendar.

# Contact

Want to integrate this feature or need holiday data for your protocol? Join our experimental phase and explore how Fact Finance can help you bridge real-world business logic with blockchain efficiency! Contact us to get started.

Projects Team [email protected]