Most often in April, 28 days.
Highest follower count seen that year: 9,674.
January
Jan 2 15:00–20:00, 22:00–24:00 Jan 3 15:00–16:00, 18:00–20:00, 22:00–23:00 Jan 4 16:00–19:00, 22:00–23:00 Jan 5 16:00–22:00 Jan 6 19:00–22:00 Jan 7 14:00–15:00, 19:00–20:00 Jan 8 23:00–24:00 Jan 9 00:00–01:00 Jan 10 04:00–06:00, 19:00–21:00, 23:00–24:00 Jan 11 00:00–04:00, 17:00–22:00 Jan 12 00:00–07:00, 22:00–24:00 Jan 13 00:00–09:00 Jan 14 01:00–02:00, 09:00–10:00, 12:00–14:00 Jan 15 00:00–05:00, 07:00–08:00, 12:00–13:00 Jan 16 02:00–06:00, 08:00–09:00 Jan 17 02:00–06:00 Jan 18 04:00–06:00, 10:00–11:00, 13:00–20:00 Jan 19 06:00–21:00 Jan 20 16:00–22:00 Jan 21 12:00–13:00 Jan 22 10:00–22:00 Jan 25 12:00–24:00 Jan 26 07:00–24:00 Jan 27 15:00–22:00 Jan 28 14:00–15:00 Jan 30 16:00–17:00, 23:00–24:00 Jan 31 00:00–01:00, 15:00–23:00
February
Feb 1 14:00–15:00, 18:00–21:00 Feb 2 01:00–02:00, 12:00–13:00, 15:00–16:00, 18:00–19:00, 22:00–23:00 Feb 3 00:00–01:00, 14:00–17:00, 21:00–23:00 Feb 4 19:00–22:00 Feb 5 14:00–21:00 Feb 6 19:00–20:00 Feb 7 15:00–23:00 Feb 8 15:00–24:00 Feb 9 00:00–03:00, 13:00–24:00 Feb 10 00:00–03:00, 20:00–22:00 Feb 11 17:00–19:00, 21:00–22:00 Feb 12 13:00–24:00 Feb 13 00:00–02:00, 14:00–15:00, 20:00–21:00 Feb 14 17:00–20:00 Feb 15 19:00–22:00 Feb 16 13:00–18:00, 20:00–22:00 Feb 17 18:00–24:00 Feb 18 00:00–01:00, 03:00–05:00, 19:00–20:00, 22:00–23:00 Feb 19 22:00–24:00 Feb 22 04:00–07:00 Feb 23 00:00–02:00, 05:00–06:00, 09:00–13:00 Feb 24 04:00–06:00, 12:00–15:00 Feb 25 03:00–04:00, 09:00–14:00 Feb 26 05:00–07:00 Feb 27 14:00–17:00 Feb 28 07:00–09:00, 14:00–18:00
March
Mar 1 08:00–09:00 Mar 2 08:00–10:00, 12:00–15:00 Mar 3 11:00–12:00 Mar 4 11:00–18:00 Mar 5 07:00–10:00, 13:00–20:00 Mar 6 12:00–20:00 Mar 8 12:00–22:00 Mar 11 18:00–19:00 Mar 12 08:00–10:00 Mar 13 15:00–22:00 Mar 14 12:00–13:00, 16:00–17:00, 21:00–23:00 Mar 15 19:00–20:00 Mar 16 14:00–17:00, 21:00–24:00 Mar 17 00:00–01:00, 11:00–24:00 Mar 18 00:00–01:00, 14:00–17:00, 22:00–23:00 Mar 19 13:00–14:00, 16:00–21:00 Mar 20 11:00–13:00, 15:00–21:00 Mar 21 17:00–19:00 Mar 22 17:00–18:00 Mar 23 13:00–24:00 Mar 24 00:00–04:00, 16:00–18:00, 23:00–24:00 Mar 25 00:00–01:00, 20:00–24:00 Mar 26 17:00–19:00, 21:00–23:00 Mar 27 03:00–06:00, 19:00–20:00 Mar 28 04:00–10:00, 21:00–22:00 Mar 29 01:00–02:00, 05:00–08:00, 21:00–24:00 Mar 30 02:00–03:00, 23:00–24:00 Mar 31 00:00–04:00
April
Apr 1 01:00–10:00 Apr 2 02:00–11:00 Apr 3 03:00–06:00, 09:00–13:00, 15:00–17:00 Apr 4 05:00–08:00, 10:00–11:00, 15:00–20:00 Apr 6 09:00–18:00, 20:00–21:00 Apr 7 12:00–18:00 Apr 8 05:00–10:00, 12:00–16:00 Apr 9 06:00–17:00 Apr 10 13:00–16:00, 18:00–21:00 Apr 11 06:00–07:00, 15:00–16:00, 19:00–22:00 Apr 12 07:00–11:00, 14:00–15:00 Apr 13 08:00–10:00, 12:00–22:00 Apr 14 07:00–12:00, 14:00–21:00 Apr 15 17:00–21:00 Apr 16 08:00–10:00, 16:00–21:00 Apr 17 12:00–13:00, 16:00–21:00 Apr 18 15:00–19:00 Apr 19 12:00–15:00 Apr 20 16:00–17:00, 20:00–21:00 Apr 22 13:00–21:00 Apr 23 08:00–10:00, 13:00–18:00, 20:00–22:00 Apr 24 15:00–22:00 Apr 25 09:00–11:00, 15:00–18:00, 20:00–22:00 Apr 26 16:00–19:00 Apr 27 09:00–11:00, 15:00–17:00, 20:00–22:00 Apr 28 19:00–22:00 Apr 29 13:00–18:00, 20:00–22:00 Apr 30 10:00–11:00, 14:00–21:00
May
May 1 19:00–23:00 May 2 19:00–21:00 May 3 11:00–22:00 May 4 15:00–23:00 May 6 21:00–23:00 May 9 20:00–23:00 May 10 17:00–23:00 May 11 20:00–22:00 May 15 20:00–22:00 May 16 08:00–10:00, 14:00–15:00, 18:00–22:00 May 17 09:00–12:00, 15:00–20:00 May 18 18:00–24:00 May 19 09:00–10:00, 14:00–21:00 May 20 08:00–10:00, 12:00–23:00 May 21 16:00–23:00 May 22 20:00–22:00 May 23 09:00–10:00, 13:00–20:00 May 24 10:00–12:00, 15:00–20:00 May 25 18:00–22:00 May 26 13:00–14:00, 17:00–22:00 May 27 11:00–12:00, 14:00–15:00, 18:00–24:00 May 28 13:00–14:00, 18:00–22:00 May 29 10:00–24:00 May 30 11:00–14:00, 17:00–19:00
June
Jun 1 18:00–19:00 Jun 2 09:00–11:00, 13:00–14:00, 16:00–22:00 Jun 3 09:00–13:00, 17:00–22:00 Jun 4 10:00–15:00, 19:00–23:00 Jun 6 18:00–22:00 Jun 7 16:00–21:00 Jun 8 08:00–10:00 Jun 9 18:00–19:00 Jun 10 09:00–10:00, 14:00–19:00 Jun 11 10:00–12:00, 17:00–22:00 Jun 12 09:00–13:00, 17:00–18:00, 21:00–22:00 Jun 15 21:00–22:00 Jun 16 10:00–11:00, 16:00–24:00 Jun 17 09:00–11:00, 17:00–19:00 Jun 18 11:00–13:00, 15:00–18:00, 22:00–23:00 Jun 19 10:00–11:00, 16:00–17:00 Jun 20 10:00–15:00, 17:00–22:00 Jun 21 22:00–23:00 Jun 22 12:00–17:00, 19:00–23:00 Jun 26 11:00–12:00, 14:00–23:00 Jun 27 10:00–12:00, 19:00–20:00 Jun 28 12:00–13:00, 16:00–17:00, 19:00–20:00, 22:00–23:00 Jun 29 10:00–12:00, 14:00–16:00, 19:00–20:00 Jun 30 01:00–02:00, 12:00–14:00, 16:00–20:00
July
Jul 1 12:00–14:00, 16:00–19:00 Jul 2 00:00–02:00, 11:00–13:00 Jul 4 16:00–17:00, 23:00–24:00 Jul 5 14:00–15:00, 17:00–21:00 Jul 6 01:00–02:00, 13:00–20:00 Jul 7 15:00–16:00, 20:00–21:00 Jul 8 14:00–16:00, 18:00–20:00 Jul 9 17:00–22:00 Jul 10 02:00–04:00 Jul 13 12:00–13:00 Jul 14 03:00–05:00, 12:00–13:00 Jul 15 03:00–06:00, 10:00–12:00 Jul 16 03:00–05:00, 07:00–08:00, 13:00–15:00 Jul 17 04:00–05:00 Jul 18 04:00–06:00, 09:00–16:00 Jul 20 05:00–06:00 Jul 22 12:00–16:00 Jul 23 11:00–16:00 Jul 24 06:00–08:00, 14:00–19:00 Jul 25 06:00–07:00, 13:00–15:00 Jul 26 06:00–07:00, 18:00–20:00 Jul 29 14:00–17:00, 19:00–20:00 Jul 30 08:00–09:00, 15:00–18:00 Jul 31 09:00–10:00, 13:00–15:00
August
Aug 1 08:00–11:00, 14:00–20:00 Aug 2 08:00–09:00 Aug 4 18:00–19:00 Aug 5 07:00–08:00, 14:00–21:00 Aug 6 09:00–10:00, 14:00–17:00, 19:00–21:00 Aug 7 09:00–11:00 Aug 11 21:00–22:00 Aug 12 10:00–20:00 Aug 13 12:00–14:00, 17:00–22:00 Aug 14 12:00–17:00, 19:00–23:00 Aug 18 14:00–23:00 Aug 19 12:00–15:00, 18:00–23:00 Aug 20 11:00–13:00 Aug 22 17:00–19:00 Aug 23 14:00–23:00 Aug 24 12:00–13:00, 18:00–20:00 Aug 25 16:00–22:00 Aug 26 11:00–13:00 Aug 29 17:00–22:00 Aug 30 14:00–16:00, 18:00–20:00 Aug 31 14:00–22:00
September
Sep 1 11:00–12:00, 19:00–22:00 Sep 2 11:00–12:00 Sep 5 23:00–24:00 Sep 6 12:00–16:00, 18:00–24:00 Sep 7 00:00–01:00, 15:00–16:00, 18:00–24:00 Sep 8 01:00–02:00, 20:00–23:00 Sep 9 18:00–19:00 Sep 10 17:00–22:00 Sep 11 00:00–01:00 Sep 14 00:00–07:00, 09:00–13:00 Sep 15 03:00–07:00, 11:00–12:00, 14:00–15:00 Sep 16 05:00–08:00, 11:00–17:00 Sep 17 03:00–10:00, 12:00–14:00 Sep 18 03:00–07:00 Sep 20 16:00–17:00 Sep 21 04:00–10:00, 17:00–19:00 Sep 22 04:00–07:00, 12:00–17:00 Sep 23 05:00–13:00 Sep 24 05:00–09:00, 11:00–16:00, 18:00–19:00 Sep 25 06:00–07:00, 14:00–18:00 Sep 26 06:00–11:00, 13:00–16:00, 18:00–19:00 Sep 27 07:00–10:00, 14:00–20:00 Sep 28 06:00–08:00, 11:00–20:00 Sep 29 08:00–13:00, 16:00–21:00 Sep 30 07:00–11:00, 18:00–20:00
October
Oct 1 07:00–13:00, 16:00–18:00 Oct 3 14:00–19:00 Oct 4 07:00–08:00 Oct 9 15:00–16:00 Oct 18 11:00–16:00 Oct 19 16:00–18:00 Oct 23 15:00–20:00 Oct 24 17:00–18:00 Oct 25 16:00–17:00 Oct 26 16:00–20:00 Oct 29 15:00–16:00, 20:00–22:00
November
Nov 1 15:00–20:00 Nov 2 17:00–21:00 Nov 5 16:00–18:00, 20:00–21:00 Nov 6 18:00–21:00 Nov 19 20:00–23:00 Nov 20 19:00–21:00 Nov 23 18:00–20:00 Nov 26 09:00–10:00, 16:00–17:00, 21:00–22:00 Nov 27 11:00–12:00, 14:00–15:00
December
Dec 2 21:00–22:00 Dec 7 21:00–22:00 Dec 8 19:00–20:00 Dec 10 12:00–13:00, 21:00–22:00 Dec 14 09:00–10:00, 15:00–18:00, 20:00–21:00 Dec 15 14:00–15:00 Dec 16 19:00–20:00 Dec 19 21:00–22:00 Dec 20 13:00–14:00 Dec 23 13:00–14:00, 21:00–22:00 Dec 27 14:00–15:00 Dec 28 18:00–19:00 Dec 31 13:00–14:00