offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Day of Week Calculator
Enter any date to instantly discover which day of the week it falls on. Perfect for historical research, planning events, and scheduling.
Free to use, no watermarks, runs in your browser—nothing uploads to our servers
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.