This page provides information about the usage of the Calendar Systems project, including summaries across all versions and details for each release. For each week beginning on the given date the figures show the number of sites that reported they are using a given version of the project.

Calendar Systems project page
Usage statistics for all projects

Show legacy data
Week starting 8.x-2.x 8.x-3.x 4.0.x Total
June 14th, 2026 0 86 467 553
June 7th, 2026 0 77 468 545
May 31st, 2026 0 71 459 530
May 24th, 2026 0 63 383 446
May 17th, 2026 0 53 68 121
May 10th, 2026 0 43 53 96
May 3rd, 2026 0 42 42 84
April 26th, 2026 0 42 41 83
April 19th, 2026 0 40 44 84
April 12th, 2026 0 52 38 90
April 5th, 2026 0 60 35 95
March 29th, 2026 0 44 34 78
March 22nd, 2026 0 46 33 79
March 15th, 2026 0 56 144 200
March 8th, 2026 0 62 72 134
February 22nd, 2026 0 136 541 677
February 15th, 2026 0 142 567 709
February 8th, 2026 0 135 556 691
February 1st, 2026 0 146 553 699
January 25th, 2026 0 127 478 605
January 18th, 2026 0 53 82 135
January 11th, 2026 0 37 39 76
January 4th, 2026 0 119 532 651
December 28th, 2025 0 138 568 706
December 21st, 2025 0 141 571 712
December 14th, 2025 0 147 572 719
December 7th, 2025 0 141 566 707
November 30th, 2025 0 141 584 725
November 23rd, 2025 0 133 581 714
November 16th, 2025 0 150 582 732
November 9th, 2025 0 142 588 730
November 2nd, 2025 0 149 575 724
October 26th, 2025 0 148 552 700
October 19th, 2025 0 150 578 728
October 12th, 2025 0 153 571 724
October 5th, 2025 0 148 565 713
September 28th, 2025 0 153 561 714
September 21st, 2025 0 169 569 738
September 14th, 2025 0 166 545 711
September 7th, 2025 0 177 534 711
August 31st, 2025 0 175 534 709
August 24th, 2025 0 146 536 682
August 17th, 2025 0 152 537 689
August 10th, 2025 0 158 533 691
August 3rd, 2025 0 154 530 684
July 27th, 2025 0 152 545 697
July 20th, 2025 0 143 541 684
July 13th, 2025 0 145 541 686
July 6th, 2025 0 155 531 686
June 29th, 2025 0 155 519 674
June 22nd, 2025 0 133 337 470
June 15th, 2025 0 118 492 610
June 8th, 2025 0 148 551 699
June 1st, 2025 0 145 538 683
May 25th, 2025 0 152 554 706
May 18th, 2025 0 162 537 699
May 11th, 2025 0 164 554 718
May 4th, 2025 0 149 549 698
April 27th, 2025 0 152 540 692
April 20th, 2025 0 158 558 716
April 13th, 2025 0 159 550 709
April 6th, 2025 0 171 555 726
March 30th, 2025 0 158 537 695
March 23rd, 2025 0 168 554 722
March 16th, 2025 0 174 555 729
March 9th, 2025 0 180 545 725
March 2nd, 2025 0 175 548 723
February 23rd, 2025 0 168 532 700
February 16th, 2025 0 175 542 717
February 9th, 2025 0 183 531 714
February 2nd, 2025 0 168 583 751
January 26th, 2025 0 180 532 712
January 19th, 2025 0 172 531 703
January 12th, 2025 0 176 510 686
January 5th, 2025 0 189 515 704
December 29th, 2024 0 185 514 699
December 22nd, 2024 0 195 512 707
December 15th, 2024 0 191 507 698
December 8th, 2024 0 189 503 692
December 1st, 2024 0 198 478 676
November 24th, 2024 0 198 474 672
November 17th, 2024 0 199 378 577
November 10th, 2024 0 203 475 678
November 3rd, 2024 0 169 477 646
October 27th, 2024 0 145 451 596
October 20th, 2024 0 151 450 601
October 13th, 2024 0 150 458 608
October 6th, 2024 0 167 463 630
September 29th, 2024 0 162 474 636
September 22nd, 2024 0 163 488 651
September 15th, 2024 0 169 496 665
September 8th, 2024 0 164 497 661
September 1st, 2024 0 176 483 659
August 25th, 2024 0 179 495 674
August 18th, 2024 0 188 504 692
August 11th, 2024 0 184 514 698
August 4th, 2024 0 171 506 677
July 28th, 2024 0 183 513 696
July 21st, 2024 0 176 490 666
July 14th, 2024 0 162 464 626
July 7th, 2024 0 125 422 547
June 30th, 2024 0 173 507 680
June 23rd, 2024 0 186 489 675
June 16th, 2024 0 203 493 696
June 9th, 2024 0 198 489 687
June 2nd, 2024 0 246 483 729
May 26th, 2024 0 237 489 726
May 19th, 2024 0 193 443 636
May 12th, 2024 0 191 476 667
May 5th, 2024 0 187 446 633
April 28th, 2024 0 199 461 660
April 21st, 2024 0 208 437 645
April 14th, 2024 0 217 436 653
April 7th, 2024 0 234 415 649
March 31st, 2024 0 253 388 641
March 24th, 2024 0 243 369 612
March 17th, 2024 0 241 382 623
March 10th, 2024 0 306 422 728
March 3rd, 2024 0 406 334 740
February 25th, 2024 0 462 273 735
February 18th, 2024 0 497 214 711
February 11th, 2024 0 534 224 758
February 4th, 2024 0 553 169 722
January 28th, 2024 0 573 117 690
January 21st, 2024 0 571 102 673
January 14th, 2024 0 629 107 736
January 7th, 2024 0 642 90 732
December 31st, 2023 0 614 81 695
December 24th, 2023 0 566 78 644
December 17th, 2023 0 589 72 661
December 10th, 2023 0 632 72 704
December 3rd, 2023 0 629 64 693
November 26th, 2023 0 623 69 692
November 19th, 2023 0 624 67 691
November 12th, 2023 0 644 69 713
November 5th, 2023 0 636 62 698
October 29th, 2023 0 645 64 709
October 22nd, 2023 0 674 46 720
October 15th, 2023 0 612 42 654
October 8th, 2023 0 627 40 667
October 1st, 2023 0 638 44 682
September 24th, 2023 0 587 33 620
September 17th, 2023 0 625 34 659
September 10th, 2023 0 617 36 653
September 3rd, 2023 0 627 31 658
August 27th, 2023 0 629 24 653
August 20th, 2023 0 631 22 653
August 13th, 2023 0 619 22 641
August 6th, 2023 0 634 25 659
July 30th, 2023 0 625 21 646
July 23rd, 2023 0 628 24 652
July 16th, 2023 0 657 25 682
July 9th, 2023 0 638 35 673
July 2nd, 2023 0 640 28 668
June 25th, 2023 0 648 24 672
June 18th, 2023 0 638 26 664
June 11th, 2023 0 639 24 663
June 4th, 2023 0 627 22 649
May 28th, 2023 0 651 19 670
May 21st, 2023 0 655 17 672
May 14th, 2023 0 662 17 679
May 7th, 2023 0 648 15 663
April 30th, 2023 0 629 11 640
April 23rd, 2023 0 593 16 609
April 16th, 2023 0 571 15 586
April 9th, 2023 0 445 6 451
April 2nd, 2023 0 519 6 525
March 26th, 2023 0 519 7 526
March 19th, 2023 0 524 12 536
March 12th, 2023 0 530 9 539
March 5th, 2023 0 534 5 539
February 26th, 2023 0 502 7 509
February 19th, 2023 0 502 6 508
February 12th, 2023 0 494 9 503
February 5th, 2023 0 490 5 495
January 29th, 2023 0 612 6 618
January 22nd, 2023 0 524 6 530
January 15th, 2023 0 492 10 502
January 8th, 2023 0 478 0 478
January 1st, 2023 0 474 0 474
December 25th, 2022 0 644 0 644
December 18th, 2022 0 699 0 699
December 11th, 2022 0 517 0 517
December 4th, 2022 0 657 0 657
November 27th, 2022 0 747 0 747
November 20th, 2022 0 695 0 695
November 13th, 2022 0 692 0 692
November 6th, 2022 0 765 0 765
October 30th, 2022 0 819 0 819
October 23rd, 2022 0 829 0 829
October 16th, 2022 0 800 0 800
October 9th, 2022 0 831 0 831
October 2nd, 2022 0 819 0 819
September 25th, 2022 0 775 0 775
September 18th, 2022 0 805 0 805
September 11th, 2022 0 802 0 802
September 4th, 2022 0 802 0 802
August 28th, 2022 0 824 0 824
August 21st, 2022 0 797 0 797
August 14th, 2022 0 829 0 829
August 7th, 2022 0 799 0 799
July 31st, 2022 0 799 0 799
July 24th, 2022 0 809 0 809
July 17th, 2022 0 794 0 794
July 10th, 2022 0 804 0 804
July 3rd, 2022 0 763 0 763
June 26th, 2022 0 793 0 793
June 19th, 2022 0 747 0 747
June 12th, 2022 0 759 0 759
June 5th, 2022 0 724 0 724
May 29th, 2022 0 739 0 739
May 22nd, 2022 0 788 0 788
May 15th, 2022 0 788 0 788
May 8th, 2022 0 786 0 786
May 1st, 2022 0 784 0 784
April 24th, 2022 0 780 0 780
April 17th, 2022 0 777 0 777
April 10th, 2022 0 783 0 783
April 3rd, 2022 0 798 0 798
March 27th, 2022 0 754 0 754
March 20th, 2022 0 712 0 712
March 13th, 2022 0 774 0 774
March 6th, 2022 0 772 0 772
February 27th, 2022 0 690 0 690
February 20th, 2022 0 771 0 771
February 13th, 2022 0 712 0 712
February 6th, 2022 0 691 0 691
January 30th, 2022 0 676 0 676
January 23rd, 2022 0 650 0 650
January 16th, 2022 0 659 0 659
January 9th, 2022 0 677 0 677
January 2nd, 2022 0 690 0 690
December 26th, 2021 0 667 0 667
December 19th, 2021 0 664 0 664
December 12th, 2021 0 644 0 644
December 5th, 2021 0 625 0 625
November 28th, 2021 0 653 0 653
November 21st, 2021 0 608 0 608
November 14th, 2021 0 595 0 595
November 7th, 2021 0 601 0 601
October 31st, 2021 0 587 0 587
October 24th, 2021 0 567 0 567
October 17th, 2021 0 569 0 569
October 10th, 2021 0 572 0 572
October 3rd, 2021 0 565 0 565
September 26th, 2021 0 590 0 590
September 19th, 2021 0 582 0 582
September 12th, 2021 0 555 0 555
September 5th, 2021 0 532 0 532
August 29th, 2021 0 560 0 560
August 22nd, 2021 0 554 0 554
August 15th, 2021 0 533 0 533
August 8th, 2021 0 512 0 512
August 1st, 2021 0 564 0 564
July 25th, 2021 0 542 0 542
July 18th, 2021 0 514 0 514
July 11th, 2021 0 448 0 448
July 4th, 2021 0 446 0 446
June 27th, 2021 0 414 0 414
June 20th, 2021 0 463 0 463
June 13th, 2021 0 446 0 446
June 6th, 2021 0 430 0 430
May 30th, 2021 0 424 0 424
May 23rd, 2021 0 398 0 398
May 16th, 2021 0 395 0 395
May 9th, 2021 0 382 0 382
May 2nd, 2021 0 372 0 372
April 25th, 2021 0 349 0 349
April 18th, 2021 0 374 0 374
April 11th, 2021 0 381 0 381
April 4th, 2021 0 385 0 385
March 28th, 2021 0 336 0 336
March 21st, 2021 0 305 0 305
March 14th, 2021 0 369 0 369
March 7th, 2021 0 393 0 393
February 28th, 2021 0 397 0 397
February 21st, 2021 0 402 0 402
February 14th, 2021 0 393 0 393
February 7th, 2021 0 313 0 313
January 31st, 2021 0 358 0 358
January 24th, 2021 0 344 0 344
January 17th, 2021 0 302 0 302
January 10th, 2021 0 327 0 327
January 3rd, 2021 0 257 0 257
December 27th, 2020 0 315 0 315
December 20th, 2020 0 232 0 232
December 13th, 2020 0 304 0 304
December 6th, 2020 0 258 0 258
November 29th, 2020 0 284 0 284
November 22nd, 2020 0 235 0 235
November 15th, 2020 0 220 0 220
November 8th, 2020 0 216 0 216
November 1st, 2020 0 199 0 199
October 25th, 2020 0 193 0 193
October 18th, 2020 0 209 0 209
October 11th, 2020 0 206 0 206
October 4th, 2020 0 203 0 203
September 27th, 2020 0 198 0 198
September 20th, 2020 0 208 0 208
September 13th, 2020 0 192 0 192
September 6th, 2020 0 181 0 181
August 30th, 2020 0 200 0 200
August 23rd, 2020 0 180 0 180
August 16th, 2020 0 184 0 184
August 9th, 2020 0 180 0 180
August 2nd, 2020 0 187 0 187
July 26th, 2020 0 180 0 180
July 19th, 2020 0 177 0 177
July 12th, 2020 0 172 0 172
July 5th, 2020 0 174 0 174
June 28th, 2020 0 164 0 164
June 21st, 2020 0 157 0 157
June 14th, 2020 0 144 0 144
June 7th, 2020 0 132 0 132
May 31st, 2020 0 136 0 136
May 24th, 2020 0 127 0 127
May 17th, 2020 0 134 0 134
May 10th, 2020 0 125 0 125
May 3rd, 2020 0 126 0 126
April 26th, 2020 0 117 0 117
April 19th, 2020 1 100 0 101
April 12th, 2020 0 103 0 103
April 5th, 2020 0 101 0 101
March 29th, 2020 0 92 0 92
March 22nd, 2020 0 87 0 87
March 15th, 2020 0 89 0 89
March 8th, 2020 0 99 0 99
March 1st, 2020 0 101 0 101
February 23rd, 2020 0 101 0 101
February 16th, 2020 0 85 0 85
February 9th, 2020 0 82 0 82
February 2nd, 2020 0 75 0 75
January 26th, 2020 1 72 0 73
January 19th, 2020 0 59 0 59
January 12th, 2020 0 63 0 63
January 5th, 2020 0 62 0 62
December 29th, 2019 0 51 0 51
December 22nd, 2019 0 52 0 52
December 15th, 2019 0 56 0 56
December 8th, 2019 0 52 0 52
December 1st, 2019 0 47 0 47
November 24th, 2019 0 39 0 39
November 17th, 2019 0 32 0 32
November 10th, 2019 0 38 0 38
November 3rd, 2019 0 41 0 41
October 27th, 2019 0 34 0 34
October 20th, 2019 0 31 0 31
October 13th, 2019 0 28 0 28
October 6th, 2019 0 31 0 31
September 29th, 2019 0 35 0 35
September 22nd, 2019 0 32 0 32
September 15th, 2019 0 34 0 34
September 8th, 2019 0 25 0 25
September 1st, 2019 0 35 0 35
August 25th, 2019 0 34 0 34
August 18th, 2019 0 30 0 30
August 11th, 2019 0 31 0 31
August 4th, 2019 0 36 0 36
July 28th, 2019 0 36 0 36
July 21st, 2019 0 38 0 38
July 14th, 2019 0 35 0 35
July 7th, 2019 0 30 0 30
June 30th, 2019 0 26 0 26
June 23rd, 2019 0 29 0 29
June 16th, 2019 0 24 0 24
June 9th, 2019 0 27 0 27
June 2nd, 2019 0 18 0 18
May 26th, 2019 0 23 0 23
May 19th, 2019 0 25 0 25
May 12th, 2019 0 20 0 20
May 5th, 2019 0 20 0 20
April 28th, 2019 0 29 0 29
April 21st, 2019 0 25 0 25
April 14th, 2019 0 22 0 22
April 7th, 2019 0 16 0 16
March 31st, 2019 1 6 0 7
March 24th, 2019 0 3 0 3
March 17th, 2019 1 1 0 2
March 10th, 2019 2 0 0 2
March 3rd, 2019 6 0 0 6
February 24th, 2019 3 0 0 3
February 17th, 2019 4 0 0 4
February 10th, 2019 3 0 0 3
February 3rd, 2019 2 0 0 2
January 27th, 2019 7 0 0 7
January 20th, 2019 3 0 0 3
January 13th, 2019 3 0 0 3
January 6th, 2019 4 0 0 4
December 30th, 2018 1 0 0 1
December 23rd, 2018 1 0 0 1
December 16th, 2018 2 0 0 2
December 9th, 2018 2 0 0 2
December 2nd, 2018 1 0 0 1
November 25th, 2018 1 0 0 1
October 28th, 2018 1 0 0 1

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
6.x-1.50 1 0 1 1 0 1
6.x-1.51 1 1 1 1 1 1
6.x-1.60 1 1 1 0 0 0
6.x-2.x-dev 0 4 2 0 0 0
7.x-1.x-dev 5 5 5 4 4 3
7.x-1.0-beta3 2 2 2 2 2 2
7.x-1.0-beta6 1 1 0 1 1 1
7.x-1.0-beta7 25 24 25 23 23 14
7.x-2.x-dev 29 32 30 33 11 13
7.x-2.0-alpha1 12 11 13 16 6 7
7.x-2.0 189 171 138 140 101 91
8.x-3.6 86 77 71 63 53 43
4.0.0 2 1 2 2 2 2
4.0.2 465 467 457 381 66 51

Only Drupal websites using the Update Status module are included in the data. Read more information about how these statistics are calculated.