Most often in May, 31 days.
Highest follower count seen that year: 13,730.
February
Feb 24 19:00–24:00 Feb 25 00:00–05:00, 14:00–24:00 Feb 26 00:00–05:00, 17:00–20:00, 22:00–24:00 Feb 27 00:00–05:00, 14:00–24:00 Feb 28 00:00–04:00, 15:00–24:00
March
Mar 1 00:00–03:00, 12:00–24:00 Mar 2 00:00–05:00, 15:00–24:00 Mar 3 00:00–04:00, 14:00–24:00 Mar 4 00:00–05:00, 14:00–16:00, 18:00–24:00 Mar 5 00:00–05:00, 13:00–24:00 Mar 6 00:00–04:00, 14:00–24:00 Mar 7 00:00–05:00, 12:00–23:00 Mar 8 00:00–03:00, 11:00–19:00, 22:00–24:00 Mar 9 00:00–04:00, 16:00–19:00, 21:00–24:00 Mar 10 00:00–04:00 Mar 12 17:00–22:00 Mar 13 03:00–04:00, 17:00–19:00, 21:00–23:00 Mar 14 00:00–04:00, 15:00–24:00 Mar 15 01:00–03:00, 12:00–20:00 Mar 16 11:00–24:00 Mar 17 01:00–02:00, 15:00–24:00 Mar 18 00:00–04:00, 14:00–17:00, 19:00–24:00 Mar 19 00:00–02:00, 14:00–16:00, 18:00–24:00 Mar 20 00:00–04:00, 18:00–24:00 Mar 21 00:00–02:00, 14:00–24:00 Mar 22 00:00–02:00, 12:00–18:00, 20:00–24:00 Mar 23 00:00–02:00, 13:00–14:00, 18:00–24:00 Mar 24 00:00–03:00, 14:00–24:00 Mar 25 00:00–03:00, 15:00–24:00 Mar 26 00:00–03:00, 16:00–24:00 Mar 27 00:00–04:00, 14:00–16:00, 18:00–24:00 Mar 28 00:00–04:00, 20:00–24:00 Mar 29 00:00–04:00, 12:00–24:00 Mar 30 00:00–04:00, 15:00–22:00 Mar 31 00:00–04:00, 18:00–24:00
April
Apr 1 17:00–24:00 Apr 2 00:00–03:00, 14:00–24:00 Apr 3 00:00–03:00, 20:00–24:00 Apr 4 00:00–02:00, 13:00–15:00, 17:00–24:00 Apr 5 12:00–15:00, 17:00–24:00 Apr 6 01:00–02:00, 12:00–15:00, 19:00–20:00 Apr 7 00:00–02:00, 14:00–24:00 Apr 8 01:00–02:00, 13:00–24:00 Apr 9 00:00–01:00, 16:00–17:00 Apr 10 23:00–24:00 Apr 11 00:00–04:00, 13:00–24:00 Apr 12 00:00–01:00, 12:00–24:00 Apr 13 01:00–02:00, 12:00–23:00 Apr 14 00:00–01:00, 13:00–24:00 Apr 15 00:00–03:00, 14:00–24:00 Apr 16 00:00–03:00, 15:00–24:00 Apr 17 00:00–02:00 Apr 21 13:00–24:00 Apr 22 00:00–01:00, 03:00–04:00, 15:00–24:00 Apr 23 00:00–04:00, 13:00–17:00, 19:00–23:00 Apr 24 00:00–03:00, 14:00–24:00 Apr 25 00:00–01:00, 14:00–15:00, 18:00–24:00 Apr 26 00:00–03:00, 11:00–24:00 Apr 27 00:00–03:00 Apr 28 19:00–21:00 Apr 29 21:00–24:00 Apr 30 00:00–03:00, 16:00–24:00
May
May 1 00:00–04:00, 14:00–24:00 May 2 00:00–03:00, 12:00–16:00, 18:00–22:00 May 3 08:00–16:00, 18:00–21:00 May 4 10:00–17:00, 19:00–23:00 May 5 20:00–22:00 May 6 21:00–24:00 May 7 01:00–05:00 May 8 19:00–22:00 May 9 00:00–04:00, 09:00–11:00, 17:00–24:00 May 10 00:00–04:00, 11:00–17:00, 21:00–24:00 May 11 00:00–04:00, 10:00–24:00 May 12 00:00–01:00, 12:00–19:00, 21:00–24:00 May 13 00:00–03:00, 11:00–16:00, 18:00–20:00, 22:00–24:00 May 14 00:00–03:00, 11:00–24:00 May 15 00:00–01:00, 14:00–18:00, 20:00–24:00 May 16 00:00–02:00, 13:00–21:00, 23:00–24:00 May 17 00:00–03:00, 09:00–14:00, 17:00–23:00 May 18 12:00–22:00 May 19 10:00–24:00 May 20 00:00–02:00, 11:00–14:00, 16:00–24:00 May 21 17:00–22:00 May 22 09:00–15:00, 19:00–24:00 May 23 08:00–15:00, 17:00–23:00 May 24 00:00–01:00, 09:00–19:00, 21:00–23:00 May 25 00:00–01:00, 09:00–24:00 May 26 00:00–01:00, 17:00–19:00, 21:00–24:00 May 27 00:00–04:00, 18:00–24:00 May 28 00:00–03:00, 11:00–24:00 May 29 08:00–24:00 May 30 00:00–01:00, 12:00–24:00 May 31 00:00–01:00, 17:00–24:00
June
Jun 1 00:00–03:00, 14:00–16:00 Jun 2 11:00–24:00 Jun 3 00:00–04:00 Jun 4 22:00–24:00 Jun 5 00:00–04:00, 16:00–19:00 Jun 6 07:00–13:00, 18:00–21:00 Jun 7 01:00–03:00, 13:00–24:00 Jun 8 00:00–01:00, 11:00–13:00, 15:00–18:00, 21:00–24:00 Jun 9 00:00–03:00, 14:00–18:00, 20:00–24:00 Jun 10 00:00–01:00, 10:00–11:00, 16:00–24:00 Jun 11 00:00–01:00, 11:00–24:00 Jun 12 00:00–01:00, 22:00–24:00 Jun 13 06:00–07:00, 13:00–17:00, 20:00–24:00 Jun 14 00:00–01:00, 14:00–19:00, 22:00–23:00 Jun 15 00:00–01:00, 11:00–20:00, 23:00–24:00 Jun 16 00:00–03:00, 11:00–16:00, 18:00–24:00 Jun 17 01:00–02:00, 12:00–14:00, 17:00–24:00 Jun 18 00:00–01:00, 10:00–13:00, 15:00–18:00, 20:00–24:00 Jun 19 15:00–18:00 Jun 20 05:00–13:00, 15:00–24:00 Jun 21 05:00–09:00, 14:00–15:00, 20:00–24:00 Jun 22 05:00–11:00, 15:00–20:00 Jun 23 03:00–07:00, 16:00–19:00, 21:00–24:00 Jun 24 00:00–01:00, 10:00–14:00, 21:00–24:00 Jun 25 00:00–01:00, 07:00–09:00, 13:00–22:00 Jun 26 10:00–12:00, 14:00–24:00 Jun 27 00:00–01:00, 13:00–16:00, 19:00–24:00 Jun 28 01:00–02:00, 12:00–24:00 Jun 29 00:00–01:00, 13:00–15:00, 17:00–24:00 Jun 30 00:00–01:00, 11:00–16:00, 20:00–23:00
July
Jul 1 07:00–08:00 Jul 4 21:00–24:00 Jul 5 00:00–03:00, 12:00–14:00, 20:00–24:00 Jul 6 11:00–12:00, 19:00–24:00 Jul 7 00:00–01:00, 11:00–17:00 Jul 8 17:00–18:00 Jul 9 06:00–11:00, 23:00–24:00 Jul 10 02:00–06:00, 14:00–17:00, 19:00–24:00 Jul 18 18:00–22:00 Jul 19 15:00–24:00 Jul 20 07:00–12:00, 17:00–24:00 Jul 21 11:00–24:00 Jul 22 15:00–16:00, 18:00–23:00 Jul 23 11:00–14:00, 19:00–24:00 Jul 24 00:00–01:00, 10:00–14:00, 18:00–24:00 Jul 25 11:00–15:00, 18:00–23:00 Jul 26 05:00–09:00, 13:00–14:00, 16:00–23:00 Jul 27 13:00–24:00 Jul 28 15:00–16:00, 19:00–24:00 Jul 29 10:00–22:00 Jul 30 07:00–11:00, 14:00–17:00, 19:00–21:00
August
Aug 1 15:00–24:00 Aug 2 11:00–23:00 Aug 3 13:00–24:00 Aug 4 00:00–01:00, 17:00–23:00 Aug 5 18:00–21:00 Aug 6 04:00–09:00, 11:00–18:00, 20:00–22:00 Aug 7 08:00–14:00, 17:00–24:00 Aug 8 00:00–01:00, 09:00–17:00, 20:00–24:00 Aug 9 00:00–01:00, 10:00–14:00, 16:00–23:00 Aug 10 11:00–24:00 Aug 11 00:00–01:00 Aug 12 05:00–06:00, 08:00–12:00, 16:00–24:00 Aug 13 11:00–24:00 Aug 14 10:00–24:00 Aug 15 00:00–02:00, 11:00–24:00 Aug 16 00:00–04:00, 13:00–17:00, 19:00–24:00 Aug 17 00:00–02:00, 12:00–16:00, 19:00–20:00, 22:00–24:00 Aug 18 00:00–02:00, 18:00–24:00 Aug 19 00:00–02:00, 13:00–21:00 Aug 20 16:00–21:00 Aug 21 12:00–23:00 Aug 22 13:00–24:00 Aug 23 09:00–14:00, 16:00–19:00, 22:00–23:00 Aug 24 13:00–22:00 Aug 25 12:00–23:00 Aug 26 08:00–11:00, 13:00–22:00 Aug 27 14:00–21:00 Aug 31 14:00–20:00
September
Sep 1 14:00–24:00 Sep 2 00:00–02:00, 15:00–22:00 Sep 3 09:00–15:00, 18:00–24:00 Sep 4 00:00–02:00, 11:00–12:00 Sep 6 06:00–14:00, 16:00–24:00 Sep 7 11:00–14:00, 16:00–22:00 Sep 8 13:00–22:00 Sep 9 08:00–09:00, 19:00–21:00 Sep 10 00:00–06:00, 15:00–24:00 Sep 11 00:00–01:00, 15:00–24:00 Sep 12 00:00–03:00, 11:00–12:00, 14:00–24:00 Sep 13 11:00–23:00 Sep 14 15:00–23:00 Sep 15 08:00–16:00, 18:00–20:00, 23:00–24:00 Sep 16 00:00–03:00, 13:00–24:00 Sep 17 00:00–02:00, 13:00–15:00, 17:00–24:00 Sep 18 00:00–01:00, 13:00–24:00 Sep 19 00:00–04:00, 14:00–24:00 Sep 20 09:00–16:00, 18:00–24:00 Sep 21 00:00–01:00, 17:00–24:00 Sep 22 00:00–02:00, 13:00–22:00 Sep 23 14:00–15:00, 18:00–24:00 Sep 24 00:00–03:00, 15:00–16:00 Sep 27 16:00–24:00 Sep 28 01:00–05:00, 15:00–24:00 Sep 29 00:00–01:00, 15:00–24:00 Sep 30 00:00–01:00, 14:00–15:00, 20:00–24:00
October
Oct 1 03:00–08:00, 15:00–21:00 Oct 2 08:00–13:00, 17:00–22:00 Oct 3 05:00–12:00, 16:00–22:00 Oct 4 06:00–14:00, 17:00–22:00 Oct 5 08:00–14:00, 17:00–22:00 Oct 6 17:00–18:00 Oct 7 03:00–06:00, 22:00–23:00 Oct 8 09:00–16:00, 18:00–24:00 Oct 9 00:00–01:00, 06:00–08:00, 11:00–14:00, 18:00–24:00 Oct 15 17:00–24:00 Oct 16 00:00–01:00, 10:00–22:00 Oct 17 07:00–10:00, 14:00–22:00 Oct 18 09:00–16:00, 19:00–21:00 Oct 19 09:00–14:00, 16:00–19:00 Oct 21 11:00–22:00 Oct 22 11:00–22:00 Oct 23 09:00–12:00, 15:00–24:00 Oct 24 11:00–21:00 Oct 25 06:00–10:00 Oct 28 13:00–17:00 Oct 29 05:00–07:00, 12:00–21:00 Oct 30 09:00–14:00, 19:00–22:00 Oct 31 10:00–11:00, 20:00–24:00
November
Nov 1 11:00–22:00 Nov 2 09:00–19:00 Nov 3 16:00–24:00 Nov 4 00:00–02:00, 09:00–24:00 Nov 5 00:00–01:00, 09:00–22:00 Nov 6 09:00–14:00, 16:00–23:00 Nov 7 10:00–22:00 Nov 8 09:00–14:00, 19:00–24:00 Nov 9 09:00–13:00, 17:00–22:00 Nov 10 03:00–16:00, 19:00–21:00 Nov 11 10:00–15:00, 17:00–23:00 Nov 12 08:00–24:00 Nov 13 11:00–24:00 Nov 14 00:00–01:00, 19:00–20:00 Nov 15 00:00–06:00, 13:00–17:00 Nov 16 11:00–20:00, 22:00–24:00 Nov 17 11:00–12:00 Nov 18 10:00–15:00, 17:00–23:00 Nov 19 13:00–22:00 Nov 20 10:00–13:00, 16:00–21:00 Nov 21 09:00–14:00, 16:00–17:00, 19:00–21:00 Nov 22 10:00–21:00 Nov 27 09:00–11:00, 19:00–21:00 Nov 28 09:00–14:00, 16:00–22:00 Nov 29 09:00–21:00 Nov 30 09:00–10:00, 12:00–20:00
December
Dec 1 09:00–13:00, 20:00–24:00 Dec 2 00:00–01:00, 10:00–16:00, 22:00–24:00 Dec 3 00:00–02:00, 12:00–13:00, 22:00–24:00 Dec 4 00:00–01:00, 20:00–24:00 Dec 5 00:00–02:00, 13:00–22:00 Dec 6 11:00–14:00, 18:00–24:00 Dec 7 14:00–24:00 Dec 8 00:00–01:00, 10:00–18:00 Dec 9 05:00–10:00, 16:00–19:00 Dec 10 05:00–08:00, 11:00–16:00 Dec 14 13:00–21:00 Dec 15 09:00–20:00 Dec 16 09:00–13:00 Dec 20 11:00–12:00, 14:00–17:00