Most often in August, 31 days.
Highest follower count seen that year: 54,595.
January
Jan 2 13:00–17:00 Jan 4 06:00–10:00 Jan 5 06:00–09:00 Jan 6 06:00–11:00, 13:00–15:00 Jan 7 07:00–10:00, 13:00–15:00 Jan 8 07:00–10:00, 13:00–17:00 Jan 9 06:00–10:00 Jan 10 07:00–10:00, 15:00–17:00 Jan 11 06:00–10:00 Jan 12 06:00–11:00, 16:00–17:00 Jan 13 06:00–08:00 Jan 14 06:00–10:00, 13:00–17:00 Jan 15 06:00–09:00, 13:00–14:00, 17:00–18:00 Jan 16 06:00–11:00 Jan 17 06:00–09:00 Jan 18 06:00–09:00 Jan 19 06:00–11:00, 13:00–17:00 Jan 20 06:00–11:00 Jan 21 06:00–10:00, 14:00–16:00 Jan 22 06:00–10:00, 13:00–16:00 Jan 23 06:00–10:00, 13:00–16:00 Jan 24 14:00–15:00 Jan 25 06:00–09:00 Jan 26 07:00–08:00 Jan 27 06:00–10:00, 15:00–17:00 Jan 28 06:00–10:00 Jan 29 07:00–10:00, 13:00–15:00 Jan 30 06:00–10:00, 13:00–15:00 Jan 31 06:00–11:00
February
Feb 1 13:00–16:00 Feb 2 06:00–08:00, 16:00–17:00 Feb 3 06:00–09:00 Feb 5 06:00–10:00, 13:00–16:00 Feb 6 07:00–09:00, 12:00–13:00 Feb 7 06:00–10:00 Feb 8 06:00–09:00 Feb 9 06:00–10:00 Feb 10 07:00–11:00, 13:00–16:00 Feb 11 06:00–10:00, 12:00–17:00 Feb 12 06:00–08:00, 14:00–18:00 Feb 13 06:00–10:00, 13:00–16:00 Feb 14 07:00–10:00, 13:00–17:00 Feb 15 06:00–09:00 Feb 16 06:00–10:00 Feb 17 06:00–09:00 Feb 18 06:00–10:00 Feb 19 08:00–10:00, 13:00–16:00 Feb 20 06:00–10:00, 13:00–15:00 Feb 21 06:00–10:00 Feb 22 07:00–09:00, 13:00–18:00 Feb 23 07:00–09:00 Feb 24 06:00–10:00, 13:00–17:00 Feb 25 06:00–10:00 Feb 26 14:00–17:00 Feb 27 06:00–08:00 Feb 28 07:00–11:00
March
Mar 1 13:00–16:00 Mar 2 07:00–10:00 Mar 3 06:00–08:00 Mar 4 06:00–11:00 Mar 5 06:00–10:00 Mar 6 07:00–10:00, 13:00–16:00 Mar 7 07:00–09:00 Mar 8 06:00–11:00 Mar 12 07:00–10:00, 13:00–16:00 Mar 13 13:00–16:00 Mar 14 07:00–09:00 Mar 15 07:00–10:00, 13:00–15:00 Mar 16 06:00–08:00 Mar 17 06:00–08:00, 17:00–19:00 Mar 18 06:00–09:00 Mar 19 06:00–10:00 Mar 20 06:00–08:00 Mar 21 06:00–08:00 Mar 22 06:00–08:00 Mar 23 06:00–09:00 Mar 24 06:00–10:00, 15:00–17:00 Mar 25 13:00–14:00 Mar 26 06:00–10:00, 12:00–13:00 Mar 27 07:00–10:00 Mar 28 06:00–08:00 Mar 29 07:00–10:00 Mar 30 06:00–09:00 Mar 31 07:00–10:00, 14:00–16:00
April
Apr 1 06:00–09:00 Apr 2 16:00–17:00 Apr 3 06:00–08:00 Apr 4 06:00–10:00, 13:00–16:00 Apr 5 06:00–09:00 Apr 6 06:00–07:00 Apr 7 06:00–10:00, 13:00–16:00 Apr 9 06:00–07:00 Apr 10 06:00–07:00 Apr 11 06:00–09:00, 15:00–17:00 Apr 12 07:00–09:00 Apr 13 06:00–10:00, 13:00–14:00 Apr 14 06:00–09:00 Apr 15 16:00–18:00 Apr 16 07:00–09:00 Apr 17 06:00–10:00, 13:00–16:00 Apr 18 06:00–09:00 Apr 19 07:00–10:00, 14:00–16:00 Apr 21 05:00–07:00 Apr 22 06:00–10:00, 13:00–15:00 Apr 23 04:00–05:00 Apr 24 06:00–08:00 Apr 25 06:00–11:00 Apr 26 06:00–09:00 Apr 27 06:00–10:00 Apr 28 07:00–10:00 Apr 29 06:00–10:00 Apr 30 06:00–10:00, 14:00–16:00
May
May 1 05:00–08:00 May 2 06:00–07:00 May 3 13:00–17:00 May 4 06:00–08:00, 18:00–20:00 May 5 07:00–11:00 May 6 06:00–09:00, 16:00–17:00 May 7 06:00–08:00 May 8 06:00–07:00 May 9 06:00–10:00 May 10 07:00–10:00, 14:00–17:00 May 11 06:00–08:00 May 13 07:00–08:00 May 14 06:00–07:00 May 15 06:00–11:00 May 16 06:00–10:00, 13:00–16:00 May 17 06:00–10:00, 13:00–15:00 May 18 06:00–10:00, 14:00–16:00 May 19 06:00–10:00, 16:00–18:00 May 20 06:00–10:00, 13:00–17:00 May 21 06:00–10:00 May 22 04:00–06:00 May 23 06:00–09:00 May 24 06:00–10:00, 13:00–16:00 May 25 06:00–10:00 May 26 06:00–10:00 May 27 06:00–11:00 May 28 06:00–07:00, 14:00–17:00 May 29 06:00–10:00, 13:00–16:00 May 30 06:00–07:00 May 31 06:00–10:00, 13:00–16:00
June
Jun 1 06:00–07:00 Jun 2 06:00–11:00 Jun 3 06:00–09:00, 14:00–15:00 Jun 4 06:00–10:00, 13:00–15:00 Jun 5 06:00–10:00, 16:00–17:00 Jun 6 06:00–10:00, 13:00–16:00 Jun 7 06:00–09:00 Jun 8 06:00–10:00, 14:00–15:00 Jun 9 06:00–10:00, 13:00–16:00 Jun 10 06:00–10:00, 12:00–14:00 Jun 11 06:00–10:00, 13:00–15:00 Jun 12 06:00–11:00, 14:00–16:00 Jun 13 06:00–10:00, 14:00–15:00 Jun 16 06:00–08:00 Jun 17 06:00–10:00, 14:00–17:00 Jun 18 06:00–10:00, 13:00–15:00 Jun 19 06:00–10:00, 12:00–16:00 Jun 20 06:00–10:00 Jun 21 06:00–11:00 Jun 22 06:00–09:00 Jun 23 06:00–08:00 Jun 24 05:00–09:00, 13:00–15:00 Jun 25 06:00–10:00 Jun 26 06:00–10:00, 13:00–16:00 Jun 27 06:00–08:00 Jun 28 07:00–10:00 Jun 29 06:00–10:00, 13:00–16:00 Jun 30 06:00–07:00
July
Jul 3 06:00–10:00, 14:00–15:00 Jul 4 06:00–09:00 Jul 5 06:00–09:00 Jul 7 06:00–10:00, 13:00–16:00 Jul 8 06:00–09:00 Jul 9 13:00–14:00 Jul 10 06:00–10:00, 13:00–16:00 Jul 11 14:00–16:00 Jul 12 06:00–09:00 Jul 13 07:00–09:00 Jul 14 07:00–10:00 Jul 15 05:00–06:00, 09:00–11:00 Jul 16 06:00–09:00 Jul 17 06:00–11:00 Jul 18 06:00–11:00, 13:00–16:00 Jul 19 05:00–06:00 Jul 20 07:00–10:00, 13:00–16:00 Jul 21 06:00–11:00 Jul 22 06:00–08:00 Jul 23 06:00–10:00 Jul 24 06:00–07:00 Jul 25 05:00–08:00 Jul 26 06:00–10:00 Jul 27 06:00–10:00, 13:00–14:00 Jul 28 06:00–11:00 Jul 29 06:00–10:00, 14:00–17:00 Jul 30 07:00–10:00, 13:00–16:00 Jul 31 06:00–08:00, 14:00–16:00
August
Aug 1 06:00–10:00, 13:00–15:00 Aug 2 06:00–07:00 Aug 3 06:00–07:00 Aug 4 06:00–07:00 Aug 5 06:00–09:00 Aug 6 05:00–09:00 Aug 7 06:00–10:00, 13:00–16:00 Aug 8 06:00–10:00, 13:00–16:00 Aug 9 06:00–10:00 Aug 10 06:00–10:00, 13:00–14:00 Aug 11 06:00–08:00 Aug 12 06:00–08:00 Aug 13 05:00–08:00 Aug 14 06:00–10:00, 13:00–16:00 Aug 15 08:00–10:00, 13:00–16:00 Aug 16 06:00–10:00, 13:00–14:00 Aug 17 06:00–10:00, 13:00–16:00 Aug 18 06:00–08:00, 16:00–18:00 Aug 19 13:00–15:00 Aug 20 06:00–07:00 Aug 21 06:00–09:00 Aug 22 06:00–09:00 Aug 23 06:00–10:00, 13:00–16:00 Aug 24 06:00–10:00, 13:00–16:00 Aug 25 06:00–09:00 Aug 26 06:00–09:00, 14:00–16:00 Aug 27 06:00–10:00 Aug 28 14:00–16:00 Aug 29 06:00–10:00 Aug 30 06:00–08:00 Aug 31 06:00–08:00
September
Sep 5 06:00–08:00 Sep 6 05:00–06:00 Sep 7 06:00–07:00 Sep 8 06:00–11:00, 14:00–15:00 Sep 9 05:00–06:00 Sep 10 06:00–07:00 Sep 11 07:00–10:00, 14:00–16:00 Sep 12 06:00–10:00, 13:00–15:00 Sep 13 06:00–08:00 Sep 14 07:00–10:00 Sep 20 04:00–06:00
October
Oct 6 14:00–16:00 Oct 7 06:00–07:00 Oct 8 05:00–07:00 Oct 9 06:00–10:00, 14:00–16:00 Oct 10 06:00–09:00 Oct 11 06:00–10:00, 14:00–16:00 Oct 12 06:00–09:00, 13:00–14:00 Oct 13 06:00–10:00, 13:00–15:00 Oct 14 06:00–10:00, 13:00–16:00 Oct 15 06:00–08:00 Oct 17 06:00–10:00, 14:00–16:00 Oct 18 06:00–07:00 Oct 19 08:00–10:00, 13:00–15:00 Oct 20 07:00–08:00 Oct 21 16:00–17:00 Oct 22 07:00–09:00 Oct 23 06:00–11:00 Oct 24 07:00–08:00 Oct 25 07:00–10:00, 15:00–16:00 Oct 26 07:00–10:00, 14:00–15:00 Oct 27 06:00–07:00 Oct 28 06:00–09:00 Oct 29 07:00–10:00, 13:00–15:00 Oct 30 06:00–11:00, 14:00–15:00 Oct 31 07:00–10:00
November
Nov 1 07:00–10:00 Nov 2 07:00–08:00 Nov 4 06:00–07:00 Nov 5 05:00–07:00 Nov 6 05:00–10:00, 14:00–16:00 Nov 7 06:00–07:00 Nov 8 06:00–10:00 Nov 9 06:00–10:00, 13:00–15:00 Nov 10 06:00–10:00, 14:00–16:00 Nov 11 06:00–10:00, 13:00–14:00 Nov 12 06:00–07:00 Nov 13 06:00–10:00 Nov 14 06:00–10:00, 14:00–16:00 Nov 15 07:00–10:00, 13:00–16:00 Nov 16 06:00–09:00 Nov 17 06:00–08:00 Nov 18 06:00–08:00 Nov 19 06:00–08:00 Nov 20 06:00–10:00, 14:00–16:00 Nov 21 07:00–08:00 Nov 22 05:00–08:00, 16:00–18:00 Nov 23 06:00–10:00, 14:00–16:00 Nov 24 06:00–10:00, 13:00–15:00 Nov 25 06:00–07:00 Nov 26 06:00–09:00, 16:00–17:00 Nov 27 06:00–10:00, 13:00–16:00 Nov 28 06:00–08:00 Nov 29 05:00–07:00 Nov 30 06:00–10:00, 14:00–15:00
December
Dec 1 06:00–08:00 Dec 2 06:00–10:00, 13:00–15:00 Dec 3 06:00–08:00 Dec 4 06:00–10:00, 14:00–16:00 Dec 5 06:00–09:00, 13:00–16:00 Dec 6 06:00–07:00 Dec 7 07:00–10:00, 14:00–16:00 Dec 8 06:00–10:00, 13:00–16:00 Dec 9 06:00–12:00 Dec 10 07:00–10:00, 14:00–16:00 Dec 11 07:00–09:00 Dec 12 06:00–10:00, 14:00–16:00 Dec 13 06:00–09:00, 14:00–16:00 Dec 14 07:00–10:00 Dec 15 07:00–11:00 Dec 16 06:00–09:00, 14:00–16:00 Dec 18 07:00–10:00, 15:00–17:00 Dec 19 06:00–08:00 Dec 20 07:00–10:00, 15:00–16:00 Dec 21 07:00–10:00, 13:00–16:00 Dec 22 06:00–09:00 Dec 24 06:00–07:00 Dec 26 06:00–11:00 Dec 27 07:00–09:00 Dec 28 06:00–10:00, 13:00–16:00 Dec 29 07:00–10:00, 15:00–17:00 Dec 30 07:00–10:00, 15:00–16:00 Dec 31 07:00–10:00, 14:00–16:00