Most often in October, 27 days.
Highest follower count seen that year: 2,306.
March
Mar 24 08:00–10:00 Mar 26 00:00–02:00, 05:00–06:00, 11:00–12:00, 22:00–23:00 Mar 28 22:00–24:00 Mar 29 00:00–02:00
April
Apr 1 01:00–04:00, 23:00–24:00 Apr 2 00:00–02:00, 23:00–24:00 Apr 3 00:00–05:00, 22:00–24:00 Apr 4 00:00–02:00, 10:00–13:00 Apr 6 00:00–02:00 Apr 7 22:00–24:00 Apr 8 00:00–02:00, 10:00–15:00 Apr 9 03:00–06:00, 11:00–13:00 Apr 10 00:00–04:00, 11:00–15:00, 23:00–24:00 Apr 11 00:00–02:00, 05:00–12:00, 16:00–17:00 Apr 12 09:00–22:00 Apr 13 08:00–10:00, 14:00–15:00, 17:00–18:00 Apr 14 09:00–12:00, 15:00–21:00 Apr 15 15:00–20:00 Apr 16 16:00–24:00 Apr 21 14:00–22:00 Apr 22 18:00–23:00 Apr 23 17:00–24:00 Apr 24 17:00–22:00 Apr 25 16:00–23:00 Apr 26 18:00–24:00 Apr 27 21:00–24:00 Apr 28 19:00–23:00 Apr 29 18:00–23:00 Apr 30 15:00–22:00
May
May 1 12:00–14:00, 18:00–23:00 May 2 17:00–24:00 May 3 17:00–22:00 May 4 21:00–23:00 May 9 01:00–08:00, 17:00–22:00 May 11 03:00–06:00, 10:00–11:00, 17:00–19:00 May 12 08:00–09:00 May 13 08:00–11:00, 15:00–21:00 May 14 10:00–15:00 May 15 10:00–13:00, 17:00–19:00 May 16 17:00–19:00 May 17 11:00–16:00 May 18 09:00–11:00, 16:00–22:00 May 19 16:00–20:00 May 20 10:00–12:00 May 21 19:00–22:00 May 22 00:00–01:00, 08:00–13:00, 15:00–18:00 May 23 16:00–17:00, 19:00–21:00 May 24 20:00–23:00 May 25 19:00–23:00 May 26 20:00–24:00 May 27 16:00–21:00 May 28 08:00–13:00, 20:00–24:00 May 29 08:00–11:00, 20:00–24:00 May 30 00:00–01:00, 10:00–13:00, 21:00–23:00
June
Jun 3 09:00–12:00, 20:00–22:00 Jun 4 09:00–13:00 Jun 5 15:00–18:00, 20:00–22:00 Jun 7 11:00–14:00 Jun 8 19:00–21:00 Jun 9 10:00–14:00, 16:00–20:00 Jun 10 10:00–12:00, 19:00–23:00 Jun 11 10:00–13:00, 21:00–23:00 Jun 12 09:00–14:00, 16:00–18:00, 21:00–23:00 Jun 13 19:00–23:00 Jun 14 11:00–15:00, 18:00–20:00 Jun 15 20:00–24:00 Jun 16 19:00–24:00 Jun 18 20:00–24:00 Jun 19 04:00–06:00, 18:00–22:00 Jun 21 19:00–22:00 Jun 23 18:00–22:00 Jun 25 08:00–11:00, 18:00–22:00 Jun 26 00:00–02:00, 17:00–19:00, 21:00–22:00 Jun 27 19:00–21:00 Jun 28 01:00–02:00, 10:00–11:00 Jun 29 04:00–11:00, 20:00–24:00 Jun 30 04:00–06:00, 19:00–24:00
July
Jul 1 00:00–04:00, 20:00–23:00 Jul 2 04:00–06:00, 20:00–24:00 Jul 3 00:00–02:00, 20:00–24:00 Jul 4 00:00–01:00, 20:00–24:00 Jul 5 00:00–02:00 Jul 6 05:00–09:00, 21:00–24:00 Jul 7 22:00–24:00 Jul 8 00:00–01:00, 20:00–23:00 Jul 11 15:00–17:00 Jul 12 05:00–06:00 Jul 13 01:00–03:00, 08:00–11:00 Jul 14 01:00–04:00, 22:00–24:00 Jul 15 00:00–02:00 Jul 16 20:00–24:00 Jul 18 20:00–24:00 Jul 20 12:00–15:00 Jul 21 20:00–24:00 Jul 22 04:00–05:00 Jul 23 09:00–11:00, 14:00–17:00 Jul 26 11:00–13:00 Jul 27 03:00–05:00, 21:00–24:00 Jul 28 01:00–03:00, 20:00–23:00 Jul 29 11:00–12:00, 20:00–24:00 Jul 30 00:00–01:00, 04:00–06:00, 18:00–21:00 Jul 31 14:00–15:00
August
Aug 2 12:00–14:00, 21:00–24:00 Aug 3 00:00–03:00, 23:00–24:00 Aug 4 00:00–02:00, 10:00–14:00 Aug 5 10:00–13:00, 16:00–19:00 Aug 6 07:00–10:00 Aug 9 09:00–13:00 Aug 10 07:00–12:00, 17:00–21:00 Aug 11 10:00–19:00 Aug 12 06:00–09:00, 17:00–21:00 Aug 14 19:00–22:00 Aug 16 19:00–24:00 Aug 17 19:00–24:00 Aug 18 00:00–01:00, 18:00–21:00 Aug 20 11:00–13:00, 16:00–18:00, 20:00–23:00 Aug 21 01:00–02:00, 18:00–22:00 Aug 22 18:00–21:00 Aug 23 14:00–20:00 Aug 24 17:00–23:00 Aug 25 18:00–21:00 Aug 26 18:00–22:00 Aug 27 19:00–22:00 Aug 28 19:00–22:00
September
Sep 8 17:00–21:00 Sep 9 01:00–05:00, 09:00–15:00 Sep 11 16:00–17:00 Sep 12 04:00–05:00 Sep 13 06:00–10:00, 18:00–20:00 Sep 14 08:00–10:00 Sep 15 06:00–09:00, 19:00–20:00 Sep 18 14:00–16:00 Sep 19 09:00–11:00, 13:00–14:00 Sep 20 16:00–19:00 Sep 22 16:00–18:00 Sep 23 13:00–17:00 Sep 24 10:00–18:00 Sep 25 17:00–20:00 Sep 27 18:00–22:00 Sep 29 18:00–20:00 Sep 30 14:00–15:00, 17:00–19:00
October
Oct 1 10:00–11:00 Oct 2 09:00–15:00, 17:00–19:00 Oct 3 12:00–14:00, 17:00–19:00 Oct 4 17:00–19:00 Oct 5 11:00–17:00 Oct 6 06:00–07:00, 21:00–22:00 Oct 7 14:00–15:00, 20:00–21:00 Oct 8 16:00–20:00 Oct 9 10:00–11:00, 19:00–21:00 Oct 10 09:00–11:00, 13:00–21:00 Oct 11 01:00–03:00, 11:00–20:00 Oct 12 02:00–03:00, 10:00–14:00 Oct 13 06:00–07:00, 11:00–22:00 Oct 14 16:00–18:00, 20:00–21:00 Oct 15 15:00–18:00, 21:00–23:00 Oct 16 20:00–21:00 Oct 17 15:00–21:00 Oct 20 20:00–22:00 Oct 21 18:00–20:00 Oct 22 15:00–21:00 Oct 23 18:00–20:00 Oct 24 15:00–23:00 Oct 25 18:00–21:00 Oct 26 19:00–22:00 Oct 27 17:00–21:00 Oct 29 17:00–23:00 Oct 31 16:00–17:00
November
Nov 1 20:00–22:00 Nov 3 23:00–24:00 Nov 4 22:00–24:00 Nov 5 00:00–02:00 Nov 9 16:00–20:00 Nov 10 14:00–15:00 Nov 11 06:00–14:00 Nov 12 15:00–19:00 Nov 13 09:00–14:00 Nov 14 08:00–11:00, 18:00–21:00 Nov 15 16:00–20:00 Nov 16 18:00–20:00 Nov 17 21:00–24:00 Nov 19 19:00–22:00 Nov 20 17:00–20:00 Nov 21 08:00–11:00 Nov 22 17:00–19:00 Nov 23 18:00–19:00 Nov 24 18:00–20:00 Nov 26 22:00–23:00 Nov 27 14:00–18:00 Nov 28 14:00–21:00 Nov 29 16:00–18:00, 21:00–22:00 Nov 30 17:00–21:00
December
Dec 1 18:00–22:00 Dec 3 05:00–08:00, 14:00–19:00 Dec 4 16:00–24:00 Dec 5 00:00–01:00 Dec 6 18:00–21:00, 23:00–24:00 Dec 7 21:00–23:00 Dec 8 08:00–14:00 Dec 9 08:00–10:00, 18:00–21:00 Dec 10 09:00–10:00, 20:00–23:00 Dec 11 16:00–17:00, 22:00–23:00 Dec 12 19:00–21:00 Dec 13 21:00–22:00 Dec 15 17:00–19:00 Dec 16 02:00–04:00, 17:00–18:00 Dec 17 18:00–20:00 Dec 20 08:00–09:00 Dec 21 08:00–11:00, 22:00–24:00 Dec 22 00:00–02:00 Dec 25 23:00–24:00 Dec 26 00:00–10:00 Dec 27 05:00–12:00 Dec 28 04:00–06:00