Most often in July, 26 days.
Highest follower count seen that year: 9,044.
January
Jan 4 05:00–14:00 Jan 5 06:00–14:00 Jan 7 06:00–16:00 Jan 8 08:00–17:00 Jan 9 05:00–11:00 Jan 11 06:00–15:00 Jan 13 06:00–17:00 Jan 14 07:00–14:00 Jan 16 07:00–15:00 Jan 17 06:00–13:00 Jan 18 08:00–22:00 Jan 19 06:00–21:00 Jan 20 12:00–17:00 Jan 21 06:00–24:00 Jan 22 00:00–01:00 Jan 23 07:00–17:00 Jan 24 06:00–10:00 Jan 26 06:00–16:00 Jan 27 05:00–14:00 Jan 28 06:00–20:00 Jan 29 07:00–15:00 Jan 30 06:00–14:00 Jan 31 06:00–17:00
February
Feb 1 06:00–17:00 Feb 2 06:00–19:00 Feb 3 06:00–17:00 Feb 4 08:00–17:00 Feb 5 08:00–16:00 Feb 6 07:00–17:00 Feb 7 09:00–17:00 Feb 8 05:00–10:00, 12:00–17:00 Feb 9 05:00–18:00 Feb 10 05:00–14:00 Feb 12 05:00–17:00 Feb 13 06:00–14:00 Feb 16 06:00–19:00 Feb 17 07:00–17:00 Feb 18 06:00–15:00 Feb 20 05:00–17:00 Feb 21 05:00–17:00 Feb 22 05:00–17:00 Feb 23 06:00–13:00, 15:00–17:00 Feb 25 06:00–10:00, 13:00–17:00 Feb 27 05:00–12:00 Feb 28 05:00–10:00
March
Mar 1 06:00–20:00 Mar 2 06:00–08:00, 10:00–20:00 Mar 3 09:00–15:00 Mar 4 06:00–17:00 Mar 5 06:00–13:00, 16:00–23:00 Mar 6 08:00–10:00, 12:00–18:00 Mar 8 06:00–13:00 Mar 9 06:00–08:00, 11:00–16:00, 18:00–19:00 Mar 10 06:00–08:00, 10:00–13:00 Mar 11 19:00–23:00 Mar 12 06:00–14:00 Mar 13 06:00–14:00 Mar 14 06:00–10:00, 12:00–13:00 Mar 15 12:00–22:00 Mar 19 06:00–17:00 Mar 20 05:00–17:00 Mar 21 06:00–11:00 Mar 22 06:00–08:00, 10:00–16:00 Mar 24 06:00–17:00 Mar 25 05:00–09:00 Mar 26 06:00–08:00, 14:00–17:00 Mar 27 06:00–16:00
April
Apr 1 04:00–08:00 Apr 3 05:00–15:00 Apr 4 05:00–13:00 Apr 5 04:00–14:00 Apr 6 05:00–15:00 Apr 7 09:00–11:00 Apr 8 05:00–10:00, 12:00–14:00 Apr 9 05:00–17:00 Apr 10 05:00–16:00 Apr 11 05:00–10:00 Apr 12 11:00–16:00 Apr 13 04:00–13:00 Apr 14 04:00–15:00 Apr 15 05:00–07:00, 10:00–13:00 Apr 16 05:00–06:00 Apr 22 04:00–10:00 Apr 23 05:00–10:00 Apr 24 05:00–09:00, 11:00–14:00 Apr 26 05:00–07:00, 09:00–15:00 Apr 27 05:00–10:00 Apr 29 09:00–12:00 Apr 30 06:00–09:00, 11:00–13:00
May
May 1 04:00–14:00 May 2 05:00–15:00 May 3 05:00–18:00 May 4 05:00–12:00 May 5 05:00–14:00 May 6 05:00–15:00 May 9 04:00–08:00 May 10 05:00–15:00 May 12 05:00–15:00 May 13 05:00–16:00 May 14 05:00–15:00 May 15 05:00–14:00 May 17 04:00–15:00 May 18 05:00–13:00 May 19 05:00–10:00, 12:00–15:00 May 20 05:00–11:00 May 21 04:00–16:00 May 22 09:00–15:00 May 23 05:00–09:00, 11:00–13:00 May 24 05:00–13:00 May 25 05:00–13:00 May 26 06:00–16:00 May 29 05:00–10:00, 13:00–15:00 May 30 05:00–16:00 May 31 05:00–13:00
June
Jun 1 06:00–13:00 Jun 2 04:00–14:00 Jun 3 04:00–15:00 Jun 4 05:00–13:00 Jun 5 05:00–10:00 Jun 6 10:00–15:00 Jun 9 04:00–14:00 Jun 10 05:00–07:00, 09:00–16:00 Jun 11 04:00–08:00, 10:00–11:00 Jun 14 04:00–09:00, 11:00–15:00 Jun 15 05:00–14:00 Jun 17 04:00–13:00 Jun 19 04:00–13:00 Jun 20 05:00–12:00 Jun 21 05:00–14:00 Jun 22 05:00–14:00 Jun 23 04:00–10:00 Jun 24 04:00–13:00 Jun 25 05:00–15:00 Jun 26 04:00–16:00 Jun 27 06:00–12:00 Jun 29 05:00–10:00, 14:00–16:00 Jun 30 04:00–07:00, 09:00–14:00
July
Jul 1 10:00–16:00 Jul 2 04:00–11:00 Jul 3 05:00–16:00 Jul 4 05:00–15:00 Jul 5 05:00–10:00 Jul 6 05:00–07:00, 09:00–14:00 Jul 7 05:00–11:00 Jul 8 05:00–16:00 Jul 9 05:00–15:00 Jul 11 05:00–15:00 Jul 12 05:00–16:00 Jul 13 04:00–10:00, 12:00–14:00 Jul 14 05:00–07:00, 09:00–10:00 Jul 15 05:00–15:00 Jul 17 05:00–07:00, 09:00–14:00 Jul 18 05:00–06:00, 09:00–14:00 Jul 19 05:00–10:00 Jul 23 05:00–15:00 Jul 24 04:00–16:00 Jul 25 05:00–14:00 Jul 26 05:00–16:00 Jul 27 05:00–13:00 Jul 28 05:00–14:00 Jul 29 05:00–13:00 Jul 30 05:00–16:00 Jul 31 06:00–10:00
August
Aug 1 10:00–16:00 Aug 2 04:00–14:00 Aug 3 06:00–13:00 Aug 4 06:00–15:00 Aug 6 05:00–11:00 Aug 7 10:00–15:00 Aug 8 05:00–16:00 Aug 9 05:00–12:00 Aug 11 04:00–09:00, 12:00–15:00 Aug 12 04:00–07:00, 09:00–15:00 Aug 13 05:00–10:00 Aug 14 05:00–14:00 Aug 15 05:00–10:00 Aug 16 05:00–10:00, 13:00–20:00 Aug 17 05:00–10:00 Aug 22 10:00–16:00 Aug 23 04:00–16:00 Aug 24 05:00–17:00 Aug 26 06:00–08:00
September
Sep 1 05:00–10:00 Sep 2 08:00–16:00 Sep 3 05:00–13:00 Sep 4 05:00–13:00 Sep 5 05:00–12:00 Sep 6 05:00–12:00 Sep 7 07:00–14:00 Sep 8 05:00–15:00 Sep 9 05:00–15:00 Sep 11 05:00–13:00 Sep 12 05:00–12:00 Sep 13 04:00–11:00 Sep 14 11:00–15:00 Sep 18 05:00–11:00 Sep 19 04:00–11:00 Sep 20 05:00–13:00 Sep 21 05:00–11:00 Sep 22 05:00–13:00 Sep 26 04:00–14:00 Sep 27 05:00–10:00 Sep 29 05:00–13:00
October
Oct 7 09:00–16:00 Oct 8 10:00–17:00 Oct 9 10:00–16:00 Oct 10 10:00–16:00 Oct 11 10:00–16:00 Oct 12 11:00–13:00 Oct 13 10:00–16:00, 19:00–22:00 Oct 15 09:00–15:00 Oct 17 10:00–15:00 Oct 19 10:00–15:00 Oct 20 09:00–10:00, 12:00–16:00 Oct 21 11:00–13:00