Most often in May, 30 days.
Highest follower count seen that year: 7,425.
January
Jan 4 16:00–24:00 Jan 5 06:00–14:00 Jan 6 09:00–15:00 Jan 7 09:00–15:00 Jan 8 08:00–15:00, 17:00–24:00 Jan 9 00:00–02:00, 05:00–07:00, 09:00–10:00, 13:00–14:00 Jan 11 08:00–15:00, 18:00–24:00 Jan 12 05:00–08:00, 10:00–14:00 Jan 13 08:00–21:00 Jan 14 05:00–15:00 Jan 15 08:00–24:00 Jan 16 00:00–04:00 Jan 17 09:00–15:00 Jan 18 07:00–08:00, 10:00–15:00 Jan 19 08:00–15:00 Jan 20 08:00–14:00 Jan 21 08:00–14:00, 17:00–24:00 Jan 22 01:00–04:00, 09:00–15:00 Jan 23 08:00–15:00 Jan 24 08:00–10:00, 16:00–22:00 Jan 25 02:00–09:00, 12:00–14:00 Jan 26 09:00–14:00 Jan 27 08:00–15:00, 17:00–22:00 Jan 28 00:00–03:00, 16:00–17:00, 19:00–24:00 Jan 29 00:00–03:00, 08:00–09:00, 11:00–15:00 Jan 30 08:00–17:00, 20:00–22:00 Jan 31 01:00–04:00, 09:00–13:00, 17:00–18:00, 22:00–24:00
February
Feb 1 00:00–04:00 Feb 3 08:00–14:00 Feb 5 08:00–13:00 Feb 6 08:00–15:00 Feb 8 09:00–18:00, 21:00–24:00 Feb 9 00:00–03:00, 17:00–24:00 Feb 10 00:00–04:00, 18:00–24:00 Feb 11 00:00–03:00, 18:00–22:00 Feb 12 01:00–03:00, 11:00–15:00, 18:00–24:00 Feb 13 00:00–03:00, 09:00–12:00, 19:00–20:00, 22:00–24:00 Feb 14 00:00–03:00, 10:00–16:00, 18:00–22:00 Feb 15 00:00–04:00, 08:00–15:00 Feb 18 08:00–15:00 Feb 19 09:00–17:00, 21:00–24:00 Feb 20 00:00–03:00, 20:00–24:00 Feb 21 00:00–05:00, 10:00–13:00, 18:00–19:00, 21:00–23:00 Feb 22 00:00–06:00 Feb 23 08:00–18:00, 21:00–24:00 Feb 24 00:00–04:00, 18:00–22:00 Feb 25 00:00–07:00, 10:00–12:00, 19:00–22:00 Feb 26 01:00–04:00, 18:00–20:00, 23:00–24:00 Feb 27 00:00–07:00, 10:00–16:00, 21:00–24:00 Feb 28 00:00–04:00, 15:00–16:00, 18:00–23:00
March
Mar 1 02:00–04:00 Mar 3 17:00–24:00 Mar 4 00:00–01:00, 03:00–06:00 Mar 5 21:00–24:00 Mar 6 02:00–03:00, 11:00–16:00 Mar 8 18:00–20:00 Mar 9 00:00–04:00, 12:00–16:00, 18:00–19:00, 22:00–24:00 Mar 10 00:00–03:00, 18:00–23:00 Mar 11 00:00–03:00, 08:00–16:00 Mar 12 20:00–22:00 Mar 13 03:00–10:00, 14:00–15:00, 22:00–24:00 Mar 14 01:00–04:00, 08:00–14:00 Mar 15 01:00–06:00, 09:00–15:00 Mar 18 09:00–15:00, 17:00–18:00, 20:00–24:00 Mar 19 00:00–01:00, 03:00–04:00 Mar 20 18:00–23:00 Mar 21 01:00–05:00, 16:00–22:00 Mar 22 00:00–04:00 Mar 23 00:00–04:00, 10:00–18:00, 23:00–24:00 Mar 24 00:00–04:00, 18:00–24:00 Mar 25 00:00–01:00, 04:00–07:00, 10:00–15:00, 18:00–23:00 Mar 26 00:00–04:00, 18:00–23:00 Mar 27 00:00–06:00, 10:00–13:00 Mar 28 12:00–15:00 Mar 29 15:00–21:00, 23:00–24:00 Mar 30 00:00–04:00, 17:00–24:00 Mar 31 00:00–06:00, 15:00–16:00, 18:00–21:00, 23:00–24:00
April
Apr 1 00:00–04:00 Apr 3 18:00–24:00 Apr 4 00:00–02:00, 05:00–09:00, 13:00–16:00, 21:00–24:00 Apr 5 00:00–02:00, 04:00–07:00, 17:00–19:00 Apr 6 04:00–05:00, 11:00–12:00, 17:00–18:00 Apr 7 02:00–04:00, 17:00–23:00 Apr 8 00:00–07:00, 09:00–13:00, 18:00–24:00 Apr 9 00:00–03:00, 21:00–24:00 Apr 10 00:00–12:00, 18:00–21:00, 23:00–24:00 Apr 11 00:00–06:00, 09:00–18:00 Apr 12 00:00–02:00, 07:00–10:00, 12:00–16:00, 19:00–24:00 Apr 13 00:00–06:00, 18:00–19:00, 22:00–24:00 Apr 14 00:00–05:00, 09:00–16:00, 19:00–24:00 Apr 15 00:00–04:00, 09:00–16:00 Apr 16 20:00–24:00 Apr 17 00:00–06:00, 20:00–24:00 Apr 18 00:00–03:00, 10:00–13:00, 18:00–24:00 Apr 19 00:00–04:00 Apr 22 18:00–24:00 Apr 23 00:00–04:00, 09:00–14:00, 17:00–19:00, 23:00–24:00 Apr 24 00:00–04:00, 19:00–22:00 Apr 25 01:00–14:00, 19:00–24:00 Apr 26 04:00–06:00, 20:00–24:00 Apr 27 00:00–09:00, 13:00–16:00 Apr 28 00:00–01:00, 07:00–14:00, 20:00–24:00 Apr 29 00:00–07:00, 09:00–10:00, 13:00–17:00, 21:00–24:00 Apr 30 01:00–03:00, 08:00–16:00, 19:00–23:00
May
May 1 01:00–04:00 May 2 10:00–17:00, 20:00–22:00 May 3 03:00–05:00, 10:00–18:00, 20:00–24:00 May 4 21:00–23:00 May 5 21:00–24:00 May 6 00:00–04:00, 09:00–16:00, 19:00–22:00 May 7 02:00–04:00, 20:00–24:00 May 8 00:00–01:00, 05:00–07:00, 10:00–16:00, 18:00–20:00, 23:00–24:00 May 9 00:00–04:00, 09:00–10:00, 12:00–16:00, 20:00–24:00 May 10 00:00–07:00, 09:00–10:00, 12:00–15:00, 20:00–24:00 May 11 00:00–01:00, 03:00–07:00 May 12 19:00–22:00 May 13 00:00–05:00, 10:00–11:00, 14:00–16:00, 21:00–24:00 May 14 00:00–04:00, 09:00–15:00 May 15 00:00–01:00, 03:00–04:00, 09:00–15:00, 21:00–24:00 May 16 00:00–04:00 May 18 09:00–14:00 May 19 18:00–23:00 May 20 00:00–04:00, 17:00–24:00 May 21 00:00–10:00, 14:00–16:00, 20:00–24:00 May 22 00:00–03:00, 17:00–23:00 May 23 01:00–02:00, 09:00–16:00, 20:00–23:00 May 24 01:00–05:00, 22:00–24:00 May 25 00:00–06:00 May 26 20:00–24:00 May 27 00:00–05:00, 08:00–13:00, 15:00–16:00, 20:00–23:00 May 28 00:00–01:00, 16:00–24:00 May 29 00:00–01:00, 04:00–10:00, 13:00–16:00, 18:00–24:00 May 30 00:00–03:00, 18:00–23:00 May 31 00:00–03:00, 09:00–13:00, 18:00–23:00
June
Jun 1 00:00–06:00 Jun 3 18:00–23:00 Jun 4 00:00–01:00, 03:00–09:00, 13:00–16:00, 20:00–24:00 Jun 5 00:00–03:00 Jun 6 19:00–24:00 Jun 7 00:00–04:00, 20:00–24:00 Jun 8 04:00–05:00, 19:00–24:00 Jun 9 00:00–02:00, 20:00–24:00 Jun 10 00:00–02:00, 11:00–13:00, 20:00–22:00 Jun 11 00:00–03:00, 19:00–21:00 Jun 12 20:00–22:00 Jun 13 00:00–01:00, 03:00–06:00, 22:00–23:00 Jun 14 00:00–03:00, 20:00–24:00 Jun 15 00:00–06:00, 21:00–24:00 Jun 18 18:00–23:00 Jun 19 00:00–03:00, 20:00–24:00 Jun 20 00:00–01:00, 03:00–10:00, 13:00–14:00, 20:00–24:00 Jun 21 00:00–04:00 Jun 22 10:00–15:00, 22:00–24:00 Jun 23 00:00–04:00, 20:00–23:00 Jun 24 03:00–08:00, 11:00–13:00, 21:00–23:00 Jun 25 00:00–01:00, 10:00–16:00, 22:00–24:00 Jun 26 00:00–04:00, 16:00–22:00 Jun 27 09:00–12:00, 17:00–18:00, 20:00–24:00 Jun 28 00:00–01:00, 20:00–24:00 Jun 29 00:00–07:00, 13:00–16:00, 20:00–21:00 Jun 30 01:00–08:00, 20:00–22:00
July
Jul 1 02:00–04:00 Jul 2 11:00–12:00, 14:00–17:00, 22:00–23:00 Jul 3 03:00–05:00, 10:00–12:00, 14:00–15:00 Jul 4 01:00–03:00, 11:00–15:00 Jul 5 00:00–02:00, 20:00–24:00 Jul 6 00:00–02:00, 05:00–08:00 Jul 9 02:00–07:00, 12:00–18:00 Jul 10 00:00–03:00, 20:00–24:00 Jul 11 00:00–03:00, 09:00–10:00, 20:00–21:00 Jul 12 03:00–05:00 Jul 13 09:00–14:00, 16:00–17:00, 20:00–21:00 Jul 14 01:00–02:00, 14:00–16:00, 23:00–24:00 Jul 15 00:00–02:00, 16:00–18:00, 20:00–21:00 Jul 18 09:00–13:00, 15:00–16:00, 22:00–24:00 Jul 19 00:00–01:00, 19:00–21:00 Jul 20 00:00–02:00, 04:00–05:00, 14:00–15:00 Jul 21 00:00–01:00 Jul 22 13:00–14:00 Jul 23 20:00–23:00 Jul 24 01:00–04:00, 14:00–18:00, 21:00–22:00 Jul 25 00:00–01:00, 10:00–15:00, 21:00–22:00 Jul 26 00:00–01:00, 04:00–05:00, 17:00–18:00, 20:00–21:00 Jul 28 04:00–05:00, 13:00–16:00, 22:00–23:00 Jul 29 01:00–02:00, 10:00–14:00 Jul 30 03:00–06:00, 15:00–16:00 Jul 31 06:00–11:00, 15:00–18:00, 22:00–23:00
August
Aug 1 00:00–03:00 Aug 4 21:00–23:00 Aug 5 14:00–15:00, 20:00–24:00 Aug 6 00:00–03:00, 20:00–24:00 Aug 7 00:00–07:00, 10:00–11:00, 15:00–17:00, 22:00–24:00 Aug 8 00:00–04:00, 08:00–23:00 Aug 9 00:00–01:00, 10:00–15:00 Aug 10 11:00–12:00, 14:00–23:00 Aug 11 01:00–07:00, 13:00–17:00, 21:00–24:00 Aug 12 00:00–03:00, 11:00–12:00, 14:00–18:00, 22:00–24:00 Aug 13 00:00–02:00, 05:00–07:00, 09:00–11:00, 13:00–18:00, 22:00–24:00 Aug 14 00:00–03:00, 23:00–24:00 Aug 15 00:00–07:00, 09:00–10:00, 12:00–17:00, 20:00–24:00 Aug 16 00:00–03:00 Aug 19 19:00–22:00 Aug 20 00:00–01:00, 03:00–06:00, 14:00–17:00, 23:00–24:00 Aug 21 00:00–03:00, 20:00–24:00 Aug 22 00:00–05:00, 10:00–12:00, 14:00–17:00 Aug 24 12:00–15:00, 17:00–24:00 Aug 25 02:00–03:00, 05:00–07:00, 15:00–19:00, 23:00–24:00 Aug 26 00:00–03:00, 11:00–14:00, 16:00–17:00, 21:00–23:00 Aug 27 01:00–02:00, 04:00–07:00, 15:00–18:00, 20:00–23:00 Aug 28 00:00–01:00, 20:00–23:00 Aug 29 04:00–05:00, 16:00–18:00, 20:00–21:00, 23:00–24:00 Aug 30 00:00–01:00, 04:00–06:00, 19:00–23:00 Aug 31 01:00–07:00, 10:00–14:00
September
Sep 1 18:00–23:00 Sep 2 02:00–07:00, 10:00–11:00, 15:00–18:00, 22:00–23:00 Sep 3 00:00–03:00, 09:00–11:00, 13:00–17:00 Sep 5 16:00–20:00, 23:00–24:00 Sep 6 03:00–06:00, 12:00–13:00, 17:00–18:00, 20:00–22:00 Sep 7 00:00–01:00, 03:00–04:00, 20:00–22:00 Sep 8 00:00–04:00, 12:00–17:00, 21:00–22:00 Sep 9 01:00–03:00, 20:00–23:00 Sep 10 02:00–06:00, 10:00–13:00, 16:00–18:00, 23:00–24:00 Sep 11 00:00–04:00, 06:00–08:00, 20:00–22:00 Sep 12 01:00–04:00, 06:00–17:00, 21:00–24:00 Sep 13 01:00–05:00, 20:00–21:00 Sep 14 00:00–05:00, 09:00–15:00, 19:00–20:00, 23:00–24:00 Sep 15 00:00–02:00, 04:00–10:00, 12:00–17:00 Sep 19 09:00–17:00 Sep 22 08:00–17:00 Sep 23 10:00–13:00, 15:00–17:00, 22:00–24:00 Sep 24 04:00–08:00, 13:00–17:00 Sep 25 10:00–18:00, 20:00–23:00 Sep 26 00:00–07:00, 15:00–17:00, 20:00–22:00 Sep 27 01:00–03:00, 13:00–14:00, 23:00–24:00 Sep 28 00:00–01:00, 19:00–23:00 Sep 29 00:00–04:00, 10:00–13:00, 15:00–18:00, 20:00–21:00 Sep 30 00:00–05:00, 08:00–11:00, 15:00–16:00, 21:00–23:00
October
Oct 1 01:00–03:00 Oct 3 21:00–24:00 Oct 4 04:00–06:00, 14:00–18:00, 20:00–22:00 Oct 5 01:00–04:00, 20:00–23:00 Oct 6 00:00–05:00, 08:00–11:00, 13:00–17:00, 19:00–22:00 Oct 7 01:00–06:00 Oct 8 07:00–08:00, 12:00–15:00 Oct 9 20:00–24:00 Oct 10 01:00–05:00, 09:00–14:00, 20:00–24:00 Oct 11 00:00–02:00, 05:00–13:00, 16:00–24:00 Oct 12 00:00–03:00, 21:00–24:00 Oct 13 00:00–01:00, 06:00–09:00, 13:00–19:00, 21:00–22:00 Oct 14 00:00–03:00, 09:00–11:00, 13:00–15:00, 17:00–24:00 Oct 15 00:00–04:00, 09:00–10:00, 14:00–18:00, 21:00–24:00 Oct 16 02:00–03:00 Oct 17 11:00–16:00, 18:00–23:00 Oct 18 01:00–03:00, 11:00–12:00, 16:00–18:00, 20:00–23:00 Oct 21 10:00–21:00 Oct 22 00:00–02:00, 10:00–15:00, 19:00–22:00 Oct 23 00:00–03:00, 12:00–17:00, 20:00–24:00 Oct 24 04:00–13:00, 17:00–19:00, 21:00–24:00 Oct 25 00:00–03:00, 22:00–23:00 Oct 26 00:00–03:00 Oct 27 12:00–18:00, 20:00–21:00 Oct 28 02:00–03:00, 08:00–09:00, 13:00–15:00 Oct 29 20:00–22:00 Oct 30 02:00–06:00, 20:00–22:00 Oct 31 00:00–03:00, 05:00–06:00, 11:00–14:00, 16:00–18:00, 20:00–21:00, 23:00–24:00
November
Nov 1 00:00–02:00 Nov 4 20:00–22:00 Nov 5 01:00–06:00, 09:00–13:00, 16:00–18:00, 23:00–24:00 Nov 6 00:00–03:00, 20:00–24:00 Nov 7 05:00–08:00, 20:00–21:00 Nov 8 02:00–04:00, 23:00–24:00 Nov 9 00:00–03:00 Nov 10 15:00–23:00 Nov 11 00:00–01:00, 04:00–10:00, 14:00–18:00, 21:00–24:00 Nov 12 02:00–03:00, 19:00–22:00 Nov 13 01:00–05:00, 12:00–18:00 Nov 14 01:00–05:00, 11:00–13:00, 15:00–19:00, 21:00–22:00 Nov 15 00:00–02:00, 15:00–17:00, 20:00–23:00 Nov 18 17:00–23:00 Nov 19 02:00–03:00, 09:00–11:00, 16:00–22:00 Nov 20 00:00–03:00, 20:00–24:00 Nov 21 02:00–04:00, 09:00–15:00, 17:00–18:00, 20:00–22:00 Nov 22 01:00–03:00, 20:00–24:00 Nov 23 00:00–03:00, 12:00–14:00, 16:00–18:00, 23:00–24:00 Nov 24 00:00–01:00 Nov 25 21:00–23:00 Nov 26 00:00–03:00, 19:00–23:00 Nov 27 02:00–04:00, 20:00–24:00 Nov 28 00:00–03:00, 20:00–22:00 Nov 29 00:00–03:00, 12:00–15:00, 20:00–22:00 Nov 30 02:00–03:00, 11:00–17:00, 20:00–21:00, 23:00–24:00
December
Dec 1 00:00–03:00 Dec 2 20:00–24:00 Dec 3 00:00–01:00, 05:00–06:00 Dec 4 00:00–01:00, 21:00–23:00 Dec 5 00:00–01:00, 22:00–24:00 Dec 6 00:00–06:00 Dec 7 19:00–21:00, 23:00–24:00 Dec 8 00:00–03:00, 21:00–24:00 Dec 9 02:00–03:00, 20:00–24:00 Dec 10 00:00–03:00, 11:00–19:00 Dec 11 00:00–03:00, 20:00–24:00 Dec 12 01:00–03:00, 20:00–22:00 Dec 13 00:00–04:00, 20:00–24:00 Dec 14 00:00–02:00, 09:00–10:00, 18:00–20:00 Dec 15 01:00–03:00, 06:00–07:00, 09:00–14:00 Dec 17 02:00–03:00, 21:00–23:00 Dec 18 01:00–02:00, 04:00–05:00, 14:00–15:00 Dec 22 09:00–15:00, 19:00–20:00 Dec 23 12:00–13:00, 18:00–19:00 Dec 27 09:00–13:00, 16:00–23:00 Dec 28 03:00–07:00, 13:00–14:00, 16:00–17:00, 20:00–23:00 Dec 29 00:00–01:00, 20:00–24:00 Dec 30 00:00–06:00, 09:00–10:00, 16:00–17:00