Egyptian Calendar Start (ECS) representing New Years day or 1 Thoth 1 in the Egyptian Civil Calendar
Target Date - being 135 days post the Egyptian Calendar Start to target the 15th day of the first month of the season of growing;
Error range of +/- 3 days
If we accept the constellation mapping I have identified, it points to a time of year around starting mid October to mid-late November. This allows a very broad strokes dating of Khufu's pyramid as highlighted in bold below (2725 BCE - 2577 BCE).
Years presented are BCE.
Year ECS Target -3 days +3 days 2781 19-Jul 1-Dec 28-Nov 4-Dec 2777 18-Jul 30-Nov 27-Nov 3-Dec 2773 17-Jul 29-Nov 26-Nov 2-Dec 2769 16-Jul 28-Nov 25-Nov 1-Dec 2765 15-Jul 27-Nov 24-Nov 30-Nov 2761 14-Jul 26-Nov 23-Nov 29-Nov 2757 13-Jul 25-Nov 22-Nov 28-Nov 2753 12-Jul 24-Nov 21-Nov 27-Nov 2749 11-Jul 23-Nov 20-Nov 26-Nov 2745 10-Jul 22-Nov 19-Nov 25-Nov 2741 9-Jul 21-Nov 18-Nov 24-Nov 2737 8-Jul 20-Nov 17-Nov 23-Nov 2733 7-Jul 19-Nov 16-Nov 22-Nov 2729 6-Jul 18-Nov 15-Nov 21-Nov 2725 5-Jul 17-Nov 14-Nov 20-Nov 2721 4-Jul 16-Nov 13-Nov 19-Nov 2717 3-Jul 15-Nov 12-Nov 18-Nov 2713 2-Jul 14-Nov 11-Nov 17-Nov 2709 1-Jul 13-Nov 10-Nov 16-Nov 2705 30-Jun 12-Nov 9-Nov 15-Nov 2701 29-Jun 11-Nov 8-Nov 14-Nov 2697 28-Jun 10-Nov 7-Nov 13-Nov 2693 27-Jun 9-Nov 6-Nov 12-Nov 2689 26-Jun 8-Nov 5-Nov 11-Nov 2685 25-Jun 7-Nov 4-Nov 10-Nov 2681 24-Jun 6-Nov 3-Nov 9-Nov 2677 23-Jun 5-Nov 2-Nov 8-Nov 2673 22-Jun 4-Nov 1-Nov 7-Nov 2669 21-Jun 3-Nov 31-Oct 6-Nov 2665 20-Jun 2-Nov 30-Oct 5-Nov 2661 19-Jun 1-Nov 29-Oct 4-Nov 2657 18-Jun 31-Oct 28-Oct 3-Nov 2653 17-Jun 30-Oct 27-Oct 2-Nov 2649 16-Jun 29-Oct 26-Oct 1-Nov 2645 15-Jun 28-Oct 25-Oct 31-Oct 2641 14-Jun 27-Oct 24-Oct 30-Oct 2637 13-Jun 26-Oct 23-Oct 29-Oct 2633 12-Jun 25-Oct 22-Oct 28-Oct 2629 11-Jun 24-Oct 21-Oct 27-Oct 2625 10-Jun 23-Oct 20-Oct 26-Oct 2621 9-Jun 22-Oct 19-Oct 25-Oct 2617 8-Jun 21-Oct 18-Oct 24-Oct 2613 7-Jun 20-Oct 17-Oct 23-Oct 2609 6-Jun 19-Oct 16-Oct 22-Oct 2605 5-Jun 18-Oct 15-Oct 21-Oct 2601 4-Jun 17-Oct 14-Oct 20-Oct 2597 3-Jun 16-Oct 13-Oct 19-Oct 2593 2-Jun 15-Oct 12-Oct 18-Oct 2589 1-Jun 14-Oct 11-Oct 17-Oct 2585 31-May 13-Oct 10-Oct 16-Oct 2581 30-May 12-Oct 9-Oct 15-Oct 2577 29-May 11-Oct 8-Oct 14-Oct 2573 28-May 10-Oct 7-Oct 13-Oct 2569 27-May 9-Oct 6-Oct 12-Oct 2565 26-May 8-Oct 5-Oct 11-Oct 2561 25-May 7-Oct 4-Oct 10-Oct 2557 24-May 6-Oct 3-Oct 9-Oct 2553 23-May 5-Oct 2-Oct 8-Oct 2549 22-May 4-Oct 1-Oct 7-Oct 2545 21-May 3-Oct 30-Sep 6-Oct 2541 20-May 2-Oct 29-Sep 5-Oct 2537 19-May 1-Oct 28-Sep 4-Oct 2533 18-May 30-Sep 27-Sep 3-Oct 2529 17-May 29-Sep 26-Sep 2-Oct 2525 16-May 28-Sep 25-Sep 1-Oct 2521 15-May 27-Sep 24-Sep 30-Sep 2517 14-May 26-Sep 23-Sep 29-Sep 2513 13-May 25-Sep 22-Sep 28-Sep 2509 12-May 24-Sep 21-Sep 27-Sep 2505 11-May 23-Sep 20-Sep 26-Sep 2501 10-May 22-Sep 19-Sep 25-Sep 2497 9-May 21-Sep 18-Sep 24-Sep 2493 8-May 20-Sep 17-Sep 23-Sep 2489 7-May 19-Sep 16-Sep 22-Sep
Edited 1 time(s). Last edit at 28-Jan-20 12:09 by engbren.