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Timespanly vs birthchart.io

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Timespanly compared with birthchart.io
DetailTimespanly logo Timespanlybirthchart.io logo birthchart.io
What it doesTime duration calculator for hours, minutes, and dates Birth chart calculator
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Calculate elapsed time between two times or dates
  • Handle shifts that cross midnight
  • Support for multiple time formats: h:mm:ss, decimal hours, and total minutes
  • Account for daylight saving time with timezone selection
  • Add up to 20 time spans together
  • Run calculations in browser with no data storage
  • Pre-calculated common work shifts for reference
  • Calculate hours worked with unpaid break deductions
  • Show results in multiple formats for different use cases
  • Calculate Sun, Moon and rising signs
  • Shows ten planets and aspects
  • Multiple house systems available
  • Private data processing on device
  • Save birth details to browser
  • Support for unknown birth times
  • Historical time zone handling
What makes it different
  • All calculations verified against 100+ automated tests before each release
  • Handles edge cases like midnight crossings, month-end dates, and daylight saving
  • Built by a single developer who personally checks every result
  • No server storage or tracking of user inputs
  • Comprehensive methodology page explains all calculation rules
  • Calculated entirely on your device with no cloud storage
  • No account or login required
  • Uses Astronomy Engine for precise geocentric calculations
  • Explains astrological concepts and limitations
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)14
Citation Flow (Majestic)1812
Referring domains (Majestic)23

4 details filled in for both companies.

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