Most often in July, 28 days.
Highest follower count seen that year: 6,693.
February
Feb 7 00:00–05:00 Feb 9 01:00–05:00 Feb 10 21:00–24:00 Feb 11 00:00–03:00 Feb 12 01:00–06:00, 21:00–24:00 Feb 13 00:00–01:00 Feb 15 01:00–07:00, 16:00–18:00
March
Mar 8 21:00–24:00 Mar 9 20:00–24:00 Mar 10 00:00–02:00, 23:00–24:00 Mar 11 00:00–03:00, 05:00–06:00, 23:00–24:00 Mar 12 00:00–02:00, 21:00–24:00 Mar 13 03:00–04:00, 22:00–24:00 Mar 14 00:00–07:00, 20:00–24:00 Mar 15 00:00–04:00 Mar 17 20:00–24:00 Mar 18 00:00–01:00, 22:00–24:00 Mar 19 00:00–02:00, 04:00–07:00, 20:00–24:00 Mar 20 00:00–04:00, 21:00–24:00 Mar 21 00:00–02:00, 20:00–24:00 Mar 22 00:00–04:00 Mar 23 20:00–24:00 Mar 24 00:00–01:00, 20:00–21:00, 23:00–24:00 Mar 25 00:00–01:00, 03:00–04:00 Mar 26 20:00–24:00 Mar 27 01:00–04:00, 20:00–24:00 Mar 28 00:00–01:00, 20:00–24:00 Mar 29 00:00–04:00 Mar 30 21:00–24:00 Mar 31 00:00–01:00
April
Apr 1 20:00–24:00 Apr 2 00:00–02:00, 20:00–24:00 Apr 3 00:00–03:00, 21:00–24:00 Apr 4 00:00–01:00 Apr 5 22:00–23:00 Apr 7 21:00–24:00 Apr 8 01:00–04:00 Apr 9 00:00–05:00, 23:00–24:00 Apr 10 01:00–04:00, 19:00–24:00 Apr 11 00:00–04:00 Apr 12 20:00–24:00 Apr 13 20:00–24:00 Apr 14 00:00–03:00, 20:00–24:00 Apr 15 00:00–03:00 Apr 16 00:00–03:00 Apr 24 19:00–24:00 Apr 25 00:00–01:00 Apr 26 20:00–24:00 Apr 27 00:00–01:00, 21:00–24:00 Apr 28 00:00–03:00 Apr 29 21:00–24:00 Apr 30 00:00–01:00, 20:00–24:00
May
May 4 21:00–23:00 May 7 22:00–23:00 May 8 21:00–24:00 May 9 21:00–24:00 May 11 00:00–01:00 May 12 18:00–20:00 May 13 21:00–24:00 May 14 00:00–06:00, 20:00–23:00 May 15 22:00–24:00 May 16 01:00–04:00, 23:00–24:00 May 17 00:00–03:00 May 18 23:00–24:00 May 19 00:00–03:00 May 20 22:00–24:00 May 21 00:00–01:00, 23:00–24:00 May 22 00:00–01:00 May 23 22:00–24:00 May 24 00:00–01:00 May 25 20:00–24:00 May 26 00:00–03:00 May 30 22:00–23:00 May 31 00:00–02:00, 21:00–24:00
June
Jun 1 01:00–02:00 Jun 4 22:00–24:00 Jun 8 22:00–24:00 Jun 9 00:00–01:00 Jun 11 00:00–02:00, 21:00–24:00 Jun 12 00:00–01:00 Jun 13 00:00–04:00, 22:00–23:00 Jun 14 00:00–02:00, 21:00–24:00 Jun 15 01:00–10:00, 22:00–24:00 Jun 16 22:00–24:00 Jun 17 00:00–05:00 Jun 19 19:00–24:00 Jun 22 21:00–24:00 Jun 23 00:00–06:00 Jun 25 23:00–24:00 Jun 26 00:00–05:00, 21:00–23:00 Jun 28 06:00–07:00, 23:00–24:00 Jun 29 00:00–07:00, 23:00–24:00 Jun 30 00:00–07:00, 20:00–24:00
July
Jul 1 00:00–05:00, 22:00–24:00 Jul 2 00:00–02:00, 20:00–24:00 Jul 3 00:00–04:00, 22:00–24:00 Jul 4 00:00–04:00, 22:00–24:00 Jul 5 00:00–01:00, 20:00–24:00 Jul 6 00:00–05:00 Jul 8 21:00–24:00 Jul 9 00:00–04:00 Jul 10 00:00–03:00 Jul 11 23:00–24:00 Jul 12 00:00–01:00, 22:00–24:00 Jul 13 00:00–06:00, 22:00–24:00 Jul 14 00:00–09:00 Jul 15 00:00–04:00 Jul 17 20:00–24:00 Jul 19 00:00–05:00 Jul 20 23:00–24:00 Jul 21 00:00–02:00 Jul 22 00:00–06:00, 22:00–24:00 Jul 23 23:00–24:00 Jul 24 00:00–01:00 Jul 25 23:00–24:00 Jul 26 00:00–03:00, 22:00–24:00 Jul 27 00:00–03:00, 23:00–24:00 Jul 28 00:00–08:00 Jul 29 00:00–02:00, 23:00–24:00 Jul 30 00:00–03:00, 21:00–24:00 Jul 31 00:00–02:00, 22:00–24:00
August
Aug 1 00:00–01:00 Aug 4 21:00–24:00 Aug 5 00:00–01:00, 22:00–24:00 Aug 6 00:00–04:00, 22:00–24:00 Aug 7 00:00–02:00 Aug 8 23:00–24:00 Aug 9 00:00–04:00, 22:00–24:00 Aug 10 00:00–03:00, 22:00–24:00 Aug 11 00:00–01:00, 20:00–24:00 Aug 12 00:00–07:00, 22:00–24:00 Aug 13 00:00–06:00, 23:00–24:00 Aug 14 00:00–02:00 Aug 15 00:00–03:00, 19:00–24:00 Aug 17 22:00–24:00 Aug 18 00:00–01:00 Aug 21 23:00–24:00 Aug 22 00:00–03:00, 22:00–24:00 Aug 23 00:00–02:00 Aug 24 23:00–24:00 Aug 25 01:00–06:00 Aug 26 00:00–05:00 Aug 28 00:00–02:00, 20:00–24:00 Aug 29 00:00–04:00, 20:00–24:00 Aug 30 00:00–01:00, 23:00–24:00 Aug 31 00:00–05:00, 22:00–24:00
September
Sep 1 00:00–02:00 Sep 3 21:00–24:00 Sep 4 00:00–04:00, 21:00–24:00 Sep 5 00:00–04:00, 19:00–23:00 Sep 6 00:00–02:00 Sep 10 23:00–24:00 Sep 11 00:00–05:00, 23:00–24:00 Sep 12 00:00–05:00 Sep 13 00:00–04:00, 21:00–24:00 Sep 14 00:00–05:00, 21:00–24:00 Sep 15 00:00–03:00, 21:00–24:00 Sep 16 00:00–03:00 Sep 17 23:00–24:00 Sep 18 00:00–02:00 Sep 19 00:00–09:00 Sep 20 00:00–05:00, 22:00–24:00 Sep 21 00:00–01:00, 22:00–24:00 Sep 22 00:00–03:00, 23:00–24:00 Sep 23 00:00–03:00, 22:00–24:00 Sep 24 00:00–07:00, 23:00–24:00 Sep 25 00:00–04:00, 22:00–24:00 Sep 26 00:00–01:00 Sep 27 23:00–24:00 Sep 28 00:00–08:00
October
Oct 23 02:00–05:00, 22:00–24:00 Oct 24 00:00–02:00, 22:00–24:00 Oct 25 00:00–03:00, 23:00–24:00 Oct 26 00:00–03:00 Oct 27 00:00–04:00 Oct 28 00:00–03:00 Oct 29 00:00–05:00 Oct 30 23:00–24:00 Oct 31 00:00–02:00
November
Nov 4 00:00–04:00, 22:00–24:00 Nov 5 00:00–05:00, 23:00–24:00 Nov 6 00:00–05:00, 23:00–24:00 Nov 7 01:00–04:00, 23:00–24:00 Nov 8 00:00–05:00, 23:00–24:00 Nov 9 00:00–03:00 Nov 11 00:00–04:00, 23:00–24:00 Nov 12 00:00–02:00 Nov 13 00:00–04:00 Nov 14 00:00–04:00, 23:00–24:00 Nov 15 00:00–04:00 Nov 16 00:00–06:00, 23:00–24:00 Nov 17 00:00–04:00, 23:00–24:00 Nov 18 00:00–02:00 Nov 20 23:00–24:00 Nov 21 00:00–03:00, 23:00–24:00 Nov 22 00:00–06:00, 21:00–24:00 Nov 23 00:00–06:00 Nov 24 01:00–04:00, 23:00–24:00 Nov 25 23:00–24:00 Nov 26 00:00–03:00, 22:00–24:00 Nov 27 00:00–03:00, 20:00–24:00 Nov 28 00:00–04:00, 22:00–24:00 Nov 29 00:00–02:00, 23:00–24:00 Nov 30 00:00–02:00, 21:00–24:00
December
Dec 1 00:00–02:00 Dec 3 23:00–24:00 Dec 4 00:00–03:00 Dec 7 00:00–04:00 Dec 9 23:00–24:00 Dec 10 00:00–03:00, 22:00–24:00 Dec 11 00:00–03:00, 20:00–24:00 Dec 12 00:00–03:00, 23:00–24:00 Dec 13 00:00–03:00, 22:00–24:00 Dec 14 00:00–05:00 Dec 15 21:00–24:00 Dec 16 00:00–02:00 Dec 18 23:00–24:00 Dec 19 00:00–03:00 Dec 20 00:00–03:00, 23:00–24:00 Dec 21 00:00–04:00, 23:00–24:00 Dec 22 00:00–03:00, 21:00–24:00 Dec 23 00:00–03:00, 22:00–24:00 Dec 24 00:00–02:00 Dec 25 23:00–24:00 Dec 26 00:00–03:00 Dec 27 00:00–03:00, 23:00–24:00 Dec 28 00:00–03:00 Dec 29 00:00–04:00 Dec 31 00:00–02:00, 22:00–24:00