Most often in July, 31 days.
Highest follower count seen that year: 6,442.
January
Jan 1 09:00–13:00 Jan 2 13:00–16:00 Jan 3 10:00–15:00 Jan 4 09:00–15:00 Jan 5 10:00–15:00 Jan 6 11:00–15:00 Jan 7 09:00–13:00 Jan 8 10:00–14:00 Jan 9 10:00–14:00 Jan 10 10:00–15:00 Jan 11 10:00–14:00 Jan 12 10:00–13:00 Jan 13 10:00–12:00 Jan 14 11:00–14:00 Jan 16 09:00–14:00 Jan 17 10:00–15:00 Jan 18 11:00–14:00 Jan 19 10:00–13:00 Jan 20 10:00–14:00 Jan 21 09:00–12:00 Jan 22 09:00–12:00 Jan 23 09:00–12:00 Jan 25 09:00–12:00 Jan 26 09:00–13:00 Jan 27 10:00–14:00 Jan 28 10:00–14:00 Jan 29 09:00–13:00 Jan 30 10:00–13:00 Jan 31 09:00–14:00
February
Feb 1 10:00–14:00 Feb 2 08:00–12:00 Feb 3 08:00–12:00 Feb 4 09:00–12:00 Feb 5 09:00–13:00 Feb 6 09:00–13:00 Feb 7 09:00–13:00 Feb 8 11:00–13:00 Feb 9 10:00–13:00 Feb 10 09:00–14:00 Feb 11 10:00–13:00 Feb 12 08:00–12:00 Feb 13 08:00–13:00 Feb 14 09:00–12:00 Feb 15 08:00–13:00 Feb 16 08:00–13:00 Feb 17 09:00–11:00 Feb 18 09:00–12:00 Feb 20 09:00–14:00 Feb 21 10:00–14:00 Feb 22 09:00–12:00 Feb 23 09:00–14:00 Feb 24 10:00–13:00 Feb 25 09:00–13:00 Feb 26 09:00–14:00 Feb 27 09:00–14:00 Feb 28 09:00–14:00
March
Mar 1 11:00–12:00 Mar 2 09:00–12:00 Mar 3 09:00–13:00 Mar 4 10:00–14:00 Mar 5 10:00–11:00 Mar 6 11:00–13:00 Mar 7 09:00–12:00 Mar 9 09:00–14:00 Mar 10 09:00–14:00 Mar 11 09:00–13:00 Mar 12 09:00–14:00 Mar 13 09:00–10:00, 15:00–18:00 Mar 14 10:00–15:00 Mar 15 09:00–11:00 Mar 16 09:00–14:00 Mar 17 09:00–15:00 Mar 18 09:00–13:00 Mar 19 09:00–13:00 Mar 20 09:00–13:00 Mar 21 10:00–14:00 Mar 22 09:00–14:00 Mar 23 09:00–14:00 Mar 24 10:00–14:00 Mar 25 09:00–14:00 Mar 26 09:00–14:00 Mar 27 11:00–14:00 Mar 28 12:00–14:00 Mar 29 09:00–15:00 Mar 30 09:00–13:00 Mar 31 10:00–13:00
April
Apr 1 08:00–12:00 Apr 2 09:00–12:00 Apr 3 08:00–12:00 Apr 4 08:00–12:00 Apr 5 09:00–13:00 Apr 6 11:00–13:00 Apr 7 09:00–12:00 Apr 8 14:00–15:00 Apr 9 08:00–13:00 Apr 10 09:00–13:00 Apr 11 08:00–14:00 Apr 12 08:00–13:00 Apr 13 09:00–12:00 Apr 14 07:00–08:00 Apr 15 09:00–13:00 Apr 16 08:00–12:00 Apr 17 09:00–13:00 Apr 18 08:00–12:00 Apr 21 11:00–14:00 Apr 22 09:00–13:00 Apr 23 08:00–11:00 Apr 24 09:00–13:00 Apr 25 08:00–11:00 Apr 26 08:00–13:00 Apr 27 09:00–13:00 Apr 28 08:00–13:00 Apr 29 08:00–11:00 Apr 30 08:00–12:00
May
May 1 08:00–13:00 May 2 09:00–13:00 May 3 08:00–11:00 May 4 08:00–12:00 May 5 08:00–11:00 May 6 10:00–13:00 May 7 09:00–12:00 May 8 09:00–14:00 May 9 08:00–13:00 May 10 08:00–13:00 May 11 08:00–13:00 May 12 08:00–13:00 May 13 08:00–13:00 May 14 09:00–13:00 May 15 09:00–12:00 May 16 09:00–13:00 May 17 09:00–11:00 May 18 09:00–12:00 May 19 11:00–13:00 May 20 08:00–13:00 May 21 09:00–12:00 May 22 09:00–13:00 May 23 08:00–12:00 May 24 08:00–12:00 May 25 10:00–12:00 May 26 09:00–13:00 May 27 08:00–13:00 May 28 09:00–13:00 May 29 09:00–13:00 May 30 09:00–13:00 May 31 09:00–13:00
June
Jun 1 08:00–12:00 Jun 2 08:00–12:00 Jun 3 10:00–12:00 Jun 4 08:00–12:00 Jun 5 07:00–09:00 Jun 6 09:00–12:00 Jun 7 07:00–11:00 Jun 8 08:00–13:00 Jun 9 08:00–13:00 Jun 11 08:00–12:00 Jun 12 10:00–13:00 Jun 13 09:00–13:00 Jun 14 09:00–13:00 Jun 15 08:00–13:00 Jun 16 09:00–12:00 Jun 17 10:00–13:00 Jun 18 11:00–13:00 Jun 19 09:00–13:00 Jun 20 15:00–18:00 Jun 21 08:00–11:00 Jun 22 08:00–11:00 Jun 23 08:00–12:00 Jun 24 09:00–12:00 Jun 26 07:00–11:00 Jun 27 07:00–12:00 Jun 28 08:00–09:00 Jun 29 07:00–11:00 Jun 30 08:00–13:00
July
Jul 1 08:00–12:00 Jul 2 07:00–12:00 Jul 3 08:00–12:00 Jul 4 07:00–11:00 Jul 5 08:00–12:00 Jul 6 08:00–13:00 Jul 7 09:00–13:00 Jul 8 09:00–11:00 Jul 9 08:00–12:00 Jul 10 07:00–11:00 Jul 11 08:00–12:00 Jul 12 08:00–10:00 Jul 13 09:00–13:00 Jul 14 09:00–13:00 Jul 15 08:00–13:00 Jul 16 08:00–13:00 Jul 17 07:00–13:00 Jul 18 09:00–12:00 Jul 19 08:00–11:00 Jul 20 08:00–13:00 Jul 21 08:00–13:00 Jul 22 08:00–13:00 Jul 23 09:00–13:00 Jul 24 15:00–17:00 Jul 25 08:00–13:00 Jul 26 07:00–13:00 Jul 27 07:00–08:00 Jul 28 08:00–11:00 Jul 29 07:00–12:00 Jul 30 07:00–11:00 Jul 31 07:00–12:00
August
Aug 1 08:00–12:00 Aug 2 08:00–13:00 Aug 3 08:00–12:00 Aug 4 07:00–12:00 Aug 5 08:00–11:00 Aug 6 08:00–12:00 Aug 7 07:00–13:00 Aug 8 08:00–11:00 Aug 9 08:00–12:00 Aug 10 08:00–11:00 Aug 11 13:00–15:00 Aug 12 08:00–12:00 Aug 13 09:00–11:00 Aug 14 08:00–12:00 Aug 15 09:00–12:00 Aug 16 08:00–12:00 Aug 17 08:00–12:00 Aug 18 09:00–10:00 Aug 19 08:00–12:00 Aug 20 09:00–12:00 Aug 21 08:00–12:00 Aug 22 07:00–12:00 Aug 23 08:00–11:00 Aug 24 08:00–09:00, 11:00–12:00 Aug 25 09:00–12:00 Aug 26 08:00–11:00 Aug 27 08:00–12:00 Aug 28 09:00–13:00 Aug 29 08:00–10:00 Aug 30 09:00–13:00 Aug 31 09:00–14:00
September
Sep 1 08:00–13:00 Sep 2 08:00–13:00 Sep 3 10:00–13:00 Sep 4 14:00–18:00 Sep 5 07:00–13:00 Sep 6 10:00–13:00 Sep 7 11:00–13:00 Sep 8 08:00–13:00 Sep 9 09:00–12:00 Sep 10 08:00–11:00 Sep 11 09:00–13:00 Sep 12 08:00–13:00 Sep 13 08:00–12:00 Sep 14 08:00–12:00 Sep 15 09:00–13:00 Sep 16 08:00–13:00 Sep 17 08:00–12:00 Sep 18 08:00–13:00 Sep 19 07:00–13:00 Sep 20 08:00–13:00 Sep 21 08:00–11:00 Sep 22 08:00–11:00 Sep 23 08:00–12:00 Sep 24 09:00–12:00 Sep 25 08:00–13:00 Sep 26 08:00–13:00 Sep 27 08:00–12:00 Sep 28 08:00–13:00 Sep 29 11:00–12:00 Sep 30 10:00–14:00
October
Oct 1 10:00–14:00 Oct 2 09:00–13:00 Oct 3 09:00–13:00 Oct 4 09:00–13:00 Oct 5 10:00–13:00 Oct 6 09:00–12:00 Oct 7 09:00–13:00 Oct 8 09:00–12:00 Oct 9 09:00–14:00 Oct 10 10:00–13:00 Oct 11 08:00–13:00 Oct 12 08:00–14:00 Oct 13 10:00–13:00 Oct 14 09:00–12:00 Oct 15 09:00–10:00, 15:00–16:00 Oct 16 09:00–13:00 Oct 17 09:00–13:00 Oct 18 09:00–13:00 Oct 19 08:00–12:00 Oct 20 09:00–13:00 Oct 21 09:00–12:00 Oct 22 09:00–13:00 Oct 23 09:00–13:00 Oct 24 09:00–13:00 Oct 25 08:00–12:00 Oct 27 09:00–13:00 Oct 28 09:00–14:00 Oct 29 10:00–11:00, 16:00–19:00 Oct 30 09:00–12:00 Oct 31 08:00–14:00
November
Nov 1 09:00–14:00 Nov 2 10:00–15:00 Nov 3 09:00–14:00 Nov 4 08:00–13:00 Nov 5 10:00–14:00 Nov 6 09:00–13:00 Nov 7 09:00–10:00, 14:00–15:00 Nov 8 10:00–14:00 Nov 9 10:00–14:00 Nov 10 09:00–14:00 Nov 11 10:00–13:00 Nov 12 09:00–13:00 Nov 13 10:00–13:00 Nov 14 09:00–12:00 Nov 15 10:00–14:00 Nov 16 10:00–14:00 Nov 17 09:00–13:00 Nov 18 09:00–13:00 Nov 19 10:00–14:00 Nov 20 10:00–14:00 Nov 21 10:00–11:00 Nov 22 09:00–14:00 Nov 23 09:00–11:00, 13:00–14:00 Nov 24 09:00–14:00 Nov 25 09:00–14:00 Nov 26 09:00–14:00 Nov 28 09:00–12:00 Nov 29 09:00–15:00 Nov 30 09:00–13:00
December
Dec 1 11:00–13:00 Dec 2 09:00–13:00 Dec 3 09:00–14:00 Dec 4 08:00–12:00 Dec 5 10:00–14:00 Dec 6 08:00–11:00, 14:00–18:00 Dec 7 09:00–15:00 Dec 8 08:00–12:00 Dec 9 09:00–11:00, 16:00–19:00 Dec 10 10:00–14:00 Dec 11 10:00–14:00 Dec 12 09:00–14:00 Dec 13 10:00–13:00 Dec 17 09:00–13:00 Dec 18 09:00–13:00 Dec 19 10:00–13:00 Dec 20 09:00–14:00 Dec 21 11:00–14:00 Dec 22 11:00–15:00 Dec 23 09:00–13:00 Dec 24 09:00–14:00 Dec 25 11:00–13:00, 15:00–16:00 Dec 26 09:00–14:00 Dec 27 10:00–13:00 Dec 28 09:00–14:00 Dec 29 10:00–14:00 Dec 30 10:00–14:00 Dec 31 08:00–13:00