Most often in March, 31 days.
Highest follower count seen that year: 1,114.
January
Jan 5 07:00–13:00, 16:00–18:00 Jan 6 06:00–11:00, 13:00–17:00, 19:00–22:00 Jan 7 03:00–09:00, 12:00–17:00, 20:00–21:00 Jan 8 05:00–12:00, 14:00–19:00, 21:00–22:00 Jan 9 06:00–09:00, 12:00–14:00, 17:00–19:00, 21:00–22:00 Jan 10 07:00–10:00, 15:00–22:00 Jan 11 03:00–06:00, 08:00–24:00 Jan 12 05:00–07:00, 09:00–11:00, 13:00–22:00 Jan 13 05:00–12:00, 14:00–23:00 Jan 14 00:00–01:00, 06:00–14:00, 16:00–22:00 Jan 15 01:00–03:00, 06:00–08:00, 13:00–15:00, 17:00–22:00 Jan 16 03:00–24:00 Jan 17 00:00–03:00, 05:00–11:00, 22:00–24:00 Jan 18 06:00–10:00, 13:00–19:00, 22:00–23:00 Jan 19 00:00–01:00, 05:00–12:00, 14:00–16:00, 19:00–23:00 Jan 20 02:00–03:00, 07:00–16:00, 19:00–21:00 Jan 21 01:00–02:00, 08:00–11:00, 13:00–15:00 Jan 25 13:00–20:00, 22:00–24:00 Jan 26 00:00–04:00, 09:00–14:00, 16:00–21:00 Jan 27 04:00–06:00, 10:00–23:00 Jan 28 02:00–04:00, 11:00–12:00, 14:00–18:00, 20:00–24:00 Jan 29 03:00–07:00, 11:00–21:00 Jan 30 04:00–07:00, 10:00–13:00, 18:00–23:00 Jan 31 00:00–04:00, 09:00–14:00, 17:00–23:00
February
Feb 1 01:00–04:00, 08:00–16:00, 20:00–24:00 Feb 2 00:00–01:00, 04:00–05:00, 09:00–13:00, 15:00–20:00, 23:00–24:00 Feb 3 01:00–03:00, 08:00–10:00, 13:00–14:00, 16:00–24:00 Feb 4 00:00–01:00, 03:00–04:00, 11:00–12:00, 17:00–18:00, 20:00–24:00 Feb 5 12:00–24:00 Feb 6 00:00–03:00, 06:00–08:00, 10:00–11:00, 15:00–16:00, 18:00–24:00 Feb 7 00:00–03:00, 10:00–24:00 Feb 8 00:00–02:00, 07:00–09:00, 12:00–14:00, 17:00–18:00, 20:00–23:00 Feb 23 09:00–10:00, 14:00–24:00 Feb 24 04:00–08:00, 19:00–22:00 Feb 25 08:00–14:00, 16:00–19:00, 21:00–22:00 Feb 26 02:00–03:00, 05:00–08:00, 11:00–13:00, 15:00–17:00, 19:00–20:00, 22:00–23:00 Feb 27 04:00–05:00, 07:00–22:00 Feb 28 03:00–20:00, 23:00–24:00
March
Mar 1 02:00–04:00, 07:00–12:00, 16:00–24:00 Mar 2 00:00–01:00, 06:00–07:00, 12:00–17:00, 19:00–24:00 Mar 3 07:00–17:00, 19:00–24:00 Mar 4 06:00–22:00 Mar 5 06:00–07:00, 12:00–22:00 Mar 6 08:00–11:00, 13:00–17:00, 19:00–21:00 Mar 7 04:00–05:00, 07:00–21:00 Mar 8 00:00–02:00, 04:00–07:00, 09:00–23:00 Mar 9 05:00–20:00, 22:00–24:00 Mar 10 05:00–13:00, 15:00–22:00 Mar 11 01:00–04:00, 06:00–16:00, 18:00–23:00 Mar 12 02:00–04:00, 06:00–12:00, 14:00–24:00 Mar 13 04:00–24:00 Mar 14 02:00–03:00, 06:00–17:00, 19:00–24:00 Mar 15 00:00–02:00, 05:00–14:00, 17:00–20:00, 23:00–24:00 Mar 16 00:00–02:00, 05:00–24:00 Mar 17 03:00–23:00 Mar 18 01:00–04:00, 06:00–16:00, 20:00–24:00 Mar 19 00:00–10:00, 12:00–20:00 Mar 20 00:00–04:00, 06:00–23:00 Mar 21 01:00–03:00, 05:00–18:00, 22:00–23:00 Mar 22 00:00–03:00, 06:00–16:00, 19:00–23:00 Mar 23 00:00–03:00, 05:00–24:00 Mar 24 01:00–03:00, 06:00–15:00, 17:00–24:00 Mar 25 00:00–04:00, 06:00–07:00, 09:00–13:00, 15:00–24:00 Mar 26 00:00–03:00, 06:00–08:00, 10:00–18:00, 20:00–24:00 Mar 27 00:00–04:00, 06:00–08:00, 10:00–13:00, 17:00–24:00 Mar 28 00:00–02:00, 04:00–13:00, 16:00–24:00 Mar 29 01:00–04:00, 08:00–24:00 Mar 30 00:00–04:00, 07:00–09:00, 11:00–21:00, 23:00–24:00 Mar 31 00:00–02:00, 04:00–05:00, 09:00–11:00, 13:00–21:00
April
Apr 1 00:00–02:00, 05:00–07:00, 11:00–13:00, 16:00–24:00 Apr 2 00:00–03:00, 07:00–08:00, 18:00–24:00 Apr 3 00:00–02:00, 06:00–17:00 Apr 4 01:00–02:00, 04:00–07:00, 16:00–24:00 Apr 5 00:00–04:00, 07:00–24:00 Apr 6 00:00–04:00, 08:00–15:00, 17:00–20:00, 23:00–24:00 Apr 7 00:00–01:00, 05:00–07:00, 13:00–14:00, 17:00–20:00, 23:00–24:00 Apr 8 00:00–02:00, 05:00–16:00 Apr 9 00:00–03:00, 06:00–13:00, 15:00–17:00 Apr 10 00:00–03:00, 08:00–09:00, 11:00–14:00, 16:00–20:00 Apr 11 06:00–09:00, 14:00–24:00 Apr 12 00:00–03:00, 06:00–07:00, 10:00–24:00 Apr 13 00:00–03:00, 08:00–10:00, 13:00–19:00, 21:00–24:00 Apr 14 00:00–03:00, 06:00–08:00, 12:00–15:00, 17:00–19:00, 21:00–24:00 Apr 15 00:00–03:00, 10:00–24:00 Apr 16 00:00–02:00, 08:00–10:00, 13:00–14:00, 17:00–24:00 Apr 17 23:00–24:00 Apr 18 00:00–04:00, 07:00–11:00, 14:00–24:00 Apr 19 00:00–03:00, 08:00–09:00, 13:00–15:00, 17:00–24:00 Apr 20 00:00–02:00, 06:00–08:00, 10:00–11:00, 15:00–21:00, 23:00–24:00 Apr 21 00:00–03:00, 20:00–24:00 Apr 22 00:00–03:00, 12:00–15:00, 17:00–24:00 Apr 23 00:00–04:00, 11:00–12:00, 16:00–18:00, 20:00–24:00 Apr 24 00:00–04:00, 09:00–10:00, 17:00–23:00 Apr 25 00:00–07:00, 11:00–12:00, 16:00–24:00 Apr 26 00:00–05:00, 11:00–15:00, 17:00–21:00 Apr 27 17:00–24:00 Apr 28 00:00–04:00, 11:00–12:00, 15:00–24:00 Apr 29 00:00–03:00, 11:00–12:00, 15:00–21:00, 23:00–24:00 Apr 30 00:00–03:00, 09:00–11:00, 14:00–21:00, 23:00–24:00
May
May 1 00:00–06:00, 13:00–24:00 May 2 00:00–03:00 May 3 00:00–04:00, 09:00–10:00 May 4 16:00–20:00, 22:00–24:00 May 5 00:00–04:00, 08:00–09:00, 13:00–20:00, 23:00–24:00 May 6 00:00–02:00, 05:00–09:00, 11:00–12:00, 18:00–24:00 May 7 00:00–03:00, 06:00–11:00, 14:00–21:00 May 8 05:00–07:00, 13:00–15:00, 17:00–21:00, 23:00–24:00 May 9 00:00–01:00, 06:00–09:00, 11:00–12:00, 16:00–23:00 May 10 00:00–02:00, 05:00–06:00, 16:00–24:00 May 11 00:00–02:00, 10:00–24:00 May 12 00:00–02:00, 05:00–07:00, 11:00–13:00, 16:00–24:00 May 13 03:00–07:00, 11:00–13:00, 17:00–18:00, 22:00–24:00 May 14 00:00–01:00, 03:00–05:00, 15:00–16:00, 19:00–23:00 May 15 03:00–04:00, 08:00–09:00, 17:00–23:00 May 16 01:00–02:00, 04:00–08:00, 11:00–12:00, 14:00–16:00, 18:00–24:00 May 17 00:00–02:00, 05:00–09:00, 13:00–16:00, 19:00–24:00 May 18 01:00–07:00, 10:00–11:00, 15:00–22:00 May 19 00:00–02:00, 05:00–06:00, 18:00–22:00 May 20 00:00–06:00, 09:00–13:00, 15:00–20:00 May 21 04:00–07:00, 09:00–10:00, 17:00–20:00 May 22 02:00–04:00, 06:00–10:00, 14:00–21:00 May 23 00:00–02:00, 05:00–11:00, 13:00–18:00, 23:00–24:00 May 24 03:00–07:00, 09:00–12:00, 15:00–18:00, 20:00–24:00 May 25 00:00–06:00, 08:00–09:00, 11:00–12:00, 14:00–15:00, 22:00–24:00 May 26 00:00–03:00, 09:00–10:00, 15:00–19:00, 23:00–24:00 May 27 00:00–02:00, 04:00–08:00, 12:00–23:00 May 28 00:00–07:00, 11:00–12:00, 15:00–22:00 May 29 00:00–07:00, 13:00–14:00, 17:00–24:00 May 30 00:00–12:00, 14:00–15:00, 17:00–24:00 May 31 03:00–06:00, 08:00–09:00, 12:00–24:00
June
Jun 1 00:00–09:00, 12:00–15:00, 17:00–18:00 Jun 3 21:00–24:00 Jun 4 11:00–14:00, 17:00–20:00, 23:00–24:00 Jun 5 03:00–04:00, 06:00–08:00, 14:00–15:00, 18:00–21:00, 23:00–24:00 Jun 6 04:00–06:00, 10:00–11:00, 17:00–18:00 Jun 7 12:00–13:00, 16:00–17:00, 20:00–23:00 Jun 8 04:00–05:00, 14:00–16:00, 18:00–24:00 Jun 9 00:00–04:00, 15:00–17:00 Jun 10 07:00–08:00 Jun 11 06:00–07:00, 09:00–10:00, 12:00–13:00, 19:00–20:00 Jun 12 12:00–15:00, 17:00–18:00 Jun 13 02:00–03:00, 12:00–13:00, 15:00–16:00 Jun 15 06:00–07:00, 12:00–13:00, 15:00–16:00, 18:00–20:00, 23:00–24:00 Jun 16 00:00–01:00 Jun 17 18:00–20:00 Jun 18 03:00–04:00, 11:00–15:00, 20:00–21:00 Jun 19 05:00–07:00, 13:00–14:00, 18:00–21:00 Jun 20 03:00–05:00, 12:00–13:00, 16:00–20:00 Jun 21 01:00–02:00, 05:00–07:00, 10:00–11:00 Jun 22 19:00–20:00 Jun 24 10:00–11:00, 20:00–21:00 Jun 25 05:00–06:00, 11:00–12:00, 19:00–20:00 Jun 26 03:00–06:00, 10:00–12:00, 18:00–19:00, 22:00–23:00 Jun 27 11:00–12:00 Jun 28 04:00–05:00, 23:00–24:00 Jun 29 11:00–12:00, 15:00–16:00, 18:00–19:00 Jun 30 02:00–03:00, 09:00–10:00
July
Jul 1 07:00–09:00 Jul 2 07:00–11:00 Jul 4 02:00–03:00, 09:00–10:00 Jul 5 09:00–10:00 Jul 6 07:00–08:00