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Category Logistics & Shipping

Shipment Configuration

Carrier Preset (Optional)

Order Date

Order Time (Local)

Daily Cut-off Time Orders after this time process next day.

Handling Time (Days)

Transit Range (Days)

–

Weekends are Workdays Carriers move/deliver on Sat/Sun

Exclude Holidays Skip National Holidays

Custom Non-Working Dates Comma separated ISO dates.

Logistics Timeline

Ordered

Dispatch

Est. Delivery

ESTIMATED ARRIVAL

OCT

Friday

Confidence: High

Total Transit -

Business Days -

Skipped Days -

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About

In the high-stakes world of e-commerce, setting accurate customer expectations is the difference between a 5-star review and a chargeback. The Estimated Delivery Date Calculator is a professional-grade logistics utility designed to model the complex timeline from Order Placement to Final Delivery. Unlike simple date adders, this tool simulates the actual movement of goods through the supply chain.

Accuracy in logistics requires accounting for non-linear variables: Weekends, Bank Holidays, Cut-off Times, and Handling Durations. A package ordered on a Friday afternoon often won't move until Monday or Tuesday. This tool algorithmically handles these edge cases, offering distinct calculation paths for Calendar Days versus Business Days.

Formulas

The core estimation logic separates the timeline into two distinct phases: Dispatch and Transit. The algorithm iterates through days, validating each against the H (Holiday) and W (Weekend) sets.

{

T_final = D_order + P_handling + T_transitwhere D ∉ W ∪ H

Variable Legend:

T_final : The calculated delivery date.
D_order : The initial date/time of the order.
P_handling : Warehouse processing time (business days).
T_transit : Carrier transit time (business days).
W : The set of weekend days (e.g., Sat, Sun).
H : The set of national or custom holidays.

Reference Data

Carrier Service	Avg. Transit (Dom)	Avg. Transit (Intl)	Weekend Delivery
USPS Ground Advantage	2-5 Days	N/A	FALSE (Limited)
USPS Priority Mail	1-3 Days	N/A	TRUE (Select Areas)
FedEx Ground	1-5 Days	3-7 Days	FALSE
FedEx Express Saver	3 Days	N/A	FALSE
UPS Ground	1-5 Days	N/A	FALSE
UPS Next Day Air	1 Day	1-2 Days	TRUE (With Surcharge)
DHL Express	N/A	1-6 Days	FALSE
Standard Sea Freight	N/A	20-45 Days	TRUE (Port dependent)

Frequently Asked Questions

The Cut-off Time acts as a gatekeeper for the first processing day. If an order is placed after the defined cut-off (e.g., 2:00 PM), the logic treats the order as effectively received on the next business day (Day + 1). This mimics real-world warehouse operations where late orders miss the daily carrier pickup.

Logistics is rarely deterministic. Carriers provide estimated windows (e.g., '3-5 days') rather than exact dates due to variables like weather, volume, and route efficiency. Our tool calculates both the optimistic (Min) and pessimistic (Max) scenarios to provide a realistic "Confidence Range" for the customer.

Yes. The tool includes a preset database of major US holidays. Additionally, you can manually input custom dates (e.g., regional observances or warehouse-specific closures) into the "Custom Holidays" field to ensure the logic matches your specific operational reality.

Calendar Days count every single day (Mon-Sun). Business Days strictly exclude weekends and holidays. Most standard shipping methods (Ground, Priority) operate on Business Days. Using "Business Days" mode is recommended for 95% of e-commerce scenarios to avoid underestimating delivery times.