Most often in March, 31 days.
Highest follower count seen that year: 7,722.
January
Jan 1 14:00–22:00 Jan 2 05:00–11:00, 14:00–19:00 Jan 3 05:00–11:00, 14:00–21:00 Jan 4 05:00–11:00, 15:00–16:00 Jan 5 16:00–20:00 Jan 6 05:00–10:00, 13:00–16:00, 18:00–19:00 Jan 7 06:00–09:00, 15:00–18:00 Jan 8 05:00–10:00, 14:00–20:00 Jan 9 05:00–20:00 Jan 10 04:00–06:00, 09:00–10:00 Jan 11 07:00–15:00, 17:00–21:00 Jan 13 04:00–20:00 Jan 14 05:00–21:00 Jan 15 04:00–14:00, 16:00–20:00 Jan 16 05:00–13:00, 15:00–19:00 Jan 17 05:00–08:00, 15:00–18:00 Jan 18 05:00–20:00 Jan 19 14:00–20:00 Jan 20 03:00–14:00 Jan 21 04:00–06:00, 08:00–17:00 Jan 22 04:00–21:00 Jan 23 05:00–09:00, 15:00–18:00, 20:00–21:00 Jan 24 03:00–10:00, 14:00–18:00 Jan 25 04:00–11:00, 16:00–18:00 Jan 26 14:00–20:00 Jan 27 06:00–11:00, 17:00–20:00 Jan 28 05:00–18:00 Jan 29 04:00–07:00, 09:00–11:00, 13:00–17:00 Jan 30 05:00–07:00, 09:00–20:00 Jan 31 04:00–09:00, 11:00–19:00
February
Feb 1 05:00–09:00, 17:00–20:00 Feb 2 06:00–07:00 Feb 3 04:00–05:00, 08:00–14:00, 17:00–21:00 Feb 4 05:00–07:00, 10:00–19:00 Feb 5 05:00–21:00 Feb 6 15:00–20:00 Feb 7 04:00–20:00 Feb 8 05:00–08:00, 11:00–20:00 Feb 9 12:00–21:00 Feb 10 05:00–20:00 Feb 11 05:00–20:00 Feb 12 05:00–06:00, 08:00–09:00, 16:00–20:00 Feb 13 05:00–22:00 Feb 14 04:00–09:00, 11:00–19:00 Feb 15 06:00–09:00, 17:00–20:00 Feb 16 15:00–19:00 Feb 17 06:00–08:00 Feb 27 07:00–08:00, 11:00–15:00, 18:00–20:00 Feb 28 04:00–12:00, 14:00–19:00
March
Mar 1 04:00–11:00, 18:00–21:00 Mar 2 15:00–16:00, 18:00–21:00 Mar 3 03:00–07:00, 09:00–12:00, 15:00–20:00 Mar 4 04:00–06:00, 08:00–13:00, 17:00–19:00 Mar 5 10:00–12:00 Mar 6 04:00–07:00, 09:00–10:00, 16:00–21:00 Mar 7 05:00–06:00, 08:00–16:00 Mar 8 06:00–10:00, 18:00–21:00 Mar 9 16:00–22:00 Mar 10 06:00–10:00, 12:00–24:00 Mar 11 06:00–08:00, 11:00–22:00 Mar 12 07:00–08:00, 10:00–23:00 Mar 13 06:00–07:00, 09:00–23:00 Mar 14 06:00–16:00, 19:00–21:00 Mar 15 07:00–08:00, 18:00–21:00 Mar 16 17:00–20:00 Mar 17 05:00–07:00, 10:00–11:00, 13:00–23:00 Mar 18 07:00–08:00, 10:00–22:00 Mar 19 05:00–10:00, 13:00–24:00 Mar 20 16:00–22:00 Mar 21 07:00–08:00, 12:00–24:00 Mar 22 07:00–11:00, 23:00–24:00 Mar 23 19:00–22:00 Mar 24 08:00–09:00, 11:00–23:00 Mar 25 05:00–11:00, 13:00–24:00 Mar 26 07:00–09:00, 11:00–24:00 Mar 27 07:00–12:00, 14:00–24:00 Mar 28 13:00–15:00, 18:00–24:00 Mar 29 07:00–09:00, 18:00–24:00 Mar 30 00:00–01:00, 17:00–19:00 Mar 31 18:00–24:00
April
Apr 1 00:00–02:00, 12:00–15:00, 17:00–24:00 Apr 2 08:00–16:00, 18:00–20:00, 22:00–24:00 Apr 3 05:00–07:00, 10:00–24:00 Apr 4 00:00–01:00, 16:00–19:00 Apr 5 08:00–11:00 Apr 7 11:00–13:00, 15:00–22:00 Apr 8 10:00–23:00 Apr 9 00:00–02:00, 21:00–22:00 Apr 10 07:00–08:00, 12:00–13:00, 16:00–23:00 Apr 11 07:00–08:00, 10:00–11:00, 15:00–24:00 Apr 12 00:00–01:00, 20:00–23:00 Apr 13 17:00–18:00, 20:00–24:00 Apr 14 20:00–24:00 Apr 15 00:00–01:00, 09:00–10:00 Apr 16 09:00–10:00, 13:00–14:00, 17:00–23:00 Apr 17 09:00–10:00, 18:00–23:00 Apr 18 08:00–09:00, 22:00–23:00 Apr 21 11:00–19:00, 22:00–23:00 Apr 22 12:00–14:00, 20:00–22:00 Apr 23 06:00–07:00, 16:00–23:00 Apr 24 08:00–10:00, 12:00–13:00, 17:00–21:00 Apr 25 15:00–23:00 Apr 26 18:00–20:00 Apr 27 15:00–16:00, 21:00–23:00 Apr 28 19:00–24:00 Apr 29 00:00–01:00, 05:00–07:00, 17:00–19:00, 23:00–24:00 Apr 30 19:00–23:00
May
May 1 15:00–21:00 May 2 12:00–20:00 May 3 07:00–13:00, 15:00–17:00, 20:00–23:00 May 4 15:00–17:00, 19:00–21:00 May 5 16:00–23:00 May 6 08:00–10:00, 12:00–19:00 May 7 07:00–09:00, 11:00–12:00 May 8 06:00–07:00, 13:00–15:00, 17:00–18:00, 20:00–22:00 May 9 07:00–09:00, 12:00–15:00, 17:00–24:00 May 10 00:00–01:00, 07:00–08:00, 11:00–21:00 May 11 15:00–22:00 May 12 09:00–12:00, 15:00–17:00, 19:00–21:00 May 13 08:00–10:00, 14:00–17:00, 20:00–22:00 May 14 07:00–08:00, 12:00–23:00 May 15 08:00–09:00, 12:00–16:00 May 16 06:00–08:00, 16:00–23:00 May 21 06:00–10:00, 12:00–13:00, 16:00–17:00, 19:00–20:00 May 22 05:00–07:00, 11:00–15:00, 17:00–18:00 May 23 10:00–11:00, 17:00–20:00 May 24 06:00–10:00, 18:00–20:00 May 25 15:00–17:00, 19:00–21:00 May 26 03:00–05:00, 10:00–12:00, 17:00–21:00 May 27 05:00–17:00 May 28 06:00–07:00, 09:00–10:00, 15:00–18:00, 20:00–22:00 May 29 06:00–08:00, 11:00–21:00 May 30 15:00–16:00 May 31 16:00–18:00
June
Jun 1 18:00–21:00 Jun 2 05:00–07:00, 09:00–12:00, 16:00–21:00 Jun 3 05:00–07:00, 09:00–23:00 Jun 4 07:00–11:00, 15:00–17:00 Jun 5 20:00–24:00 Jun 6 00:00–01:00, 06:00–12:00, 16:00–20:00 Jun 7 06:00–08:00, 19:00–22:00 Jun 8 16:00–20:00 Jun 9 10:00–12:00, 14:00–18:00, 20:00–22:00 Jun 10 05:00–07:00, 11:00–13:00, 15:00–20:00 Jun 11 05:00–07:00, 09:00–10:00, 18:00–20:00 Jun 12 16:00–17:00 Jun 13 05:00–09:00, 15:00–20:00 Jun 14 06:00–09:00, 18:00–20:00 Jun 15 05:00–07:00 Jun 16 06:00–08:00, 13:00–14:00 Jun 17 05:00–06:00, 08:00–10:00, 17:00–21:00 Jun 18 04:00–06:00, 12:00–13:00, 16:00–18:00 Jun 19 17:00–23:00 Jun 20 05:00–06:00, 14:00–20:00 Jun 24 18:00–22:00 Jun 25 04:00–07:00, 09:00–12:00, 20:00–23:00 Jun 26 06:00–08:00, 11:00–12:00, 14:00–17:00, 19:00–21:00 Jun 27 04:00–10:00, 19:00–21:00 Jun 28 16:00–18:00 Jun 29 07:00–10:00, 12:00–20:00 Jun 30 06:00–11:00, 13:00–15:00
July
Jul 1 11:00–13:00, 20:00–22:00 Jul 2 06:00–09:00 Jul 3 12:00–16:00 Jul 4 09:00–18:00, 21:00–24:00 Jul 5 03:00–05:00, 07:00–14:00, 20:00–21:00 Jul 6 05:00–07:00, 10:00–12:00, 16:00–23:00 Jul 7 06:00–10:00 Jul 8 07:00–18:00 Jul 9 18:00–19:00 Jul 10 08:00–11:00 Jul 11 19:00–21:00 Jul 12 03:00–09:00, 17:00–19:00 Jul 13 03:00–05:00, 08:00–11:00, 15:00–19:00 Jul 14 12:00–21:00 Jul 15 03:00–05:00, 07:00–10:00, 12:00–23:00 Jul 16 05:00–13:00, 17:00–18:00 Jul 18 04:00–08:00 Jul 19 05:00–08:00, 14:00–15:00 Jul 20 05:00–06:00, 16:00–20:00 Jul 21 05:00–11:00, 13:00–21:00 Jul 22 06:00–07:00, 11:00–17:00, 19:00–21:00 Jul 23 05:00–08:00, 10:00–13:00 Jul 24 05:00–09:00, 15:00–17:00 Jul 25 06:00–08:00, 14:00–19:00 Jul 26 04:00–09:00, 13:00–14:00, 18:00–20:00 Jul 27 15:00–18:00 Jul 28 08:00–09:00, 12:00–14:00 Jul 29 04:00–07:00, 09:00–13:00, 19:00–21:00 Jul 30 04:00–08:00, 15:00–21:00 Jul 31 06:00–17:00
August
Aug 1 05:00–10:00, 13:00–17:00, 19:00–20:00 Aug 2 05:00–07:00, 10:00–13:00, 15:00–17:00 Aug 3 06:00–07:00, 19:00–22:00 Aug 4 05:00–08:00, 14:00–21:00 Aug 5 06:00–23:00 Aug 6 07:00–13:00, 16:00–23:00 Aug 7 06:00–13:00, 15:00–24:00 Aug 8 06:00–07:00, 10:00–22:00 Aug 9 04:00–07:00, 09:00–14:00, 18:00–24:00 Aug 10 15:00–23:00 Aug 11 06:00–14:00, 17:00–24:00 Aug 12 00:00–01:00, 06:00–10:00, 12:00–15:00, 17:00–24:00 Aug 13 06:00–09:00, 11:00–15:00, 18:00–24:00 Aug 14 06:00–10:00, 12:00–24:00 Aug 15 07:00–13:00, 18:00–20:00 Aug 16 08:00–14:00, 18:00–22:00 Aug 18 08:00–13:00, 15:00–22:00 Aug 19 07:00–23:00 Aug 20 08:00–13:00, 15:00–20:00 Aug 21 05:00–07:00, 18:00–21:00 Aug 22 05:00–07:00, 18:00–22:00 Aug 23 07:00–09:00, 18:00–23:00 Aug 24 06:00–07:00, 17:00–23:00 Aug 25 17:00–24:00 Aug 26 00:00–01:00, 07:00–08:00, 10:00–12:00, 16:00–23:00 Aug 27 08:00–13:00, 15:00–23:00 Aug 28 08:00–13:00, 16:00–19:00, 21:00–23:00 Aug 29 08:00–10:00, 16:00–21:00 Aug 30 05:00–06:00, 09:00–12:00, 14:00–23:00 Aug 31 08:00–10:00
September
Sep 1 08:00–15:00, 17:00–24:00 Sep 2 07:00–13:00, 16:00–23:00 Sep 3 08:00–12:00, 14:00–24:00 Sep 4 00:00–01:00, 08:00–10:00, 20:00–24:00 Sep 5 10:00–23:00 Sep 6 08:00–10:00, 18:00–20:00 Sep 7 08:00–10:00, 14:00–24:00 Sep 8 00:00–01:00, 08:00–10:00, 12:00–19:00, 22:00–23:00 Sep 9 08:00–10:00, 14:00–23:00 Sep 10 08:00–13:00, 16:00–23:00 Sep 11 07:00–12:00, 14:00–23:00 Sep 12 09:00–13:00, 15:00–22:00 Sep 13 08:00–21:00 Sep 14 10:00–14:00, 16:00–23:00 Sep 15 07:00–23:00 Sep 16 00:00–01:00, 08:00–23:00 Sep 17 06:00–09:00, 12:00–13:00, 15:00–24:00 Sep 18 00:00–03:00, 08:00–10:00, 19:00–23:00 Sep 19 04:00–07:00 Sep 24 14:00–17:00 Sep 25 07:00–09:00, 15:00–18:00, 20:00–22:00 Sep 26 08:00–10:00, 16:00–21:00 Sep 27 07:00–20:00 Sep 28 15:00–23:00 Sep 29 07:00–13:00, 15:00–21:00 Sep 30 09:00–11:00, 14:00–21:00
October
Oct 1 08:00–09:00, 11:00–13:00, 17:00–22:00 Oct 2 17:00–21:00 Oct 3 07:00–09:00, 17:00–24:00 Oct 4 00:00–03:00, 07:00–09:00, 15:00–17:00 Oct 6 07:00–10:00 Oct 7 09:00–11:00, 18:00–21:00 Oct 8 08:00–10:00, 18:00–23:00 Oct 9 08:00–10:00, 17:00–22:00 Oct 10 08:00–11:00, 13:00–23:00 Oct 11 00:00–01:00, 13:00–14:00, 18:00–20:00 Oct 12 18:00–24:00 Oct 13 00:00–01:00, 08:00–10:00, 12:00–13:00, 15:00–18:00, 20:00–24:00 Oct 14 00:00–02:00, 08:00–09:00, 17:00–23:00 Oct 15 09:00–10:00, 14:00–20:00 Oct 16 10:00–14:00, 17:00–22:00 Oct 17 19:00–23:00 Oct 18 08:00–12:00, 18:00–19:00 Oct 20 08:00–09:00, 14:00–17:00, 19:00–20:00 Oct 21 07:00–09:00, 12:00–13:00, 17:00–19:00 Oct 22 07:00–08:00, 10:00–11:00, 13:00–14:00, 16:00–20:00 Oct 23 10:00–11:00 Oct 24 07:00–08:00, 11:00–13:00, 17:00–22:00 Oct 25 08:00–09:00, 12:00–15:00, 18:00–20:00 Oct 26 19:00–21:00 Oct 27 09:00–10:00, 14:00–19:00 Oct 28 16:00–18:00 Oct 29 09:00–11:00, 15:00–19:00 Oct 30 10:00–11:00 Oct 31 08:00–10:00, 14:00–22:00
November
Nov 1 08:00–10:00, 18:00–24:00 Nov 2 17:00–18:00 Nov 3 10:00–11:00, 14:00–24:00 Nov 4 09:00–10:00, 15:00–16:00 Nov 5 08:00–10:00, 12:00–14:00, 20:00–22:00 Nov 6 07:00–09:00, 13:00–14:00, 18:00–21:00 Nov 7 04:00–07:00, 17:00–19:00 Nov 8 04:00–06:00, 11:00–12:00, 14:00–15:00 Nov 9 06:00–07:00, 17:00–24:00 Nov 10 00:00–01:00, 05:00–06:00, 09:00–13:00, 17:00–24:00 Nov 11 00:00–01:00, 08:00–09:00, 18:00–23:00 Nov 12 00:00–01:00, 15:00–21:00 Nov 13 10:00–11:00, 17:00–22:00 Nov 14 21:00–22:00 Nov 15 05:00–08:00 Nov 16 17:00–20:00 Nov 17 08:00–09:00, 13:00–14:00, 19:00–20:00 Nov 18 05:00–09:00, 14:00–16:00, 19:00–22:00 Nov 19 05:00–06:00, 10:00–11:00, 14:00–15:00, 19:00–20:00 Nov 20 06:00–07:00, 10:00–13:00, 16:00–20:00 Nov 21 06:00–11:00, 16:00–21:00 Nov 22 06:00–07:00, 10:00–15:00, 20:00–22:00 Nov 23 17:00–21:00 Nov 24 06:00–10:00, 18:00–22:00 Nov 25 07:00–08:00, 11:00–13:00, 18:00–20:00 Nov 26 06:00–10:00, 12:00–14:00, 16:00–21:00 Nov 27 06:00–11:00, 17:00–23:00 Nov 28 06:00–10:00, 14:00–15:00 Nov 29 07:00–08:00, 18:00–22:00 Nov 30 19:00–20:00
December
Dec 1 06:00–07:00, 09:00–12:00 Dec 2 06:00–10:00, 19:00–20:00 Dec 3 05:00–07:00, 09:00–12:00, 18:00–23:00 Dec 4 13:00–14:00, 19:00–22:00 Dec 5 07:00–09:00 Dec 6 15:00–24:00 Dec 7 18:00–23:00 Dec 8 06:00–07:00, 10:00–12:00, 17:00–23:00 Dec 9 08:00–13:00, 15:00–17:00 Dec 10 06:00–07:00, 11:00–12:00, 15:00–17:00, 19:00–24:00 Dec 11 07:00–14:00, 20:00–23:00 Dec 12 07:00–08:00, 10:00–11:00, 13:00–17:00, 20:00–23:00 Dec 13 16:00–17:00, 19:00–21:00 Dec 14 07:00–08:00, 19:00–20:00, 22:00–23:00 Dec 15 06:00–08:00, 16:00–17:00, 19:00–20:00, 22:00–23:00 Dec 16 06:00–07:00 Dec 22 05:00–06:00, 08:00–10:00 Dec 23 06:00–09:00, 14:00–17:00, 19:00–22:00 Dec 24 05:00–07:00, 16:00–17:00, 19:00–20:00 Dec 25 05:00–07:00 Dec 26 05:00–09:00, 13:00–15:00 Dec 27 05:00–06:00 Dec 29 07:00–08:00 Dec 30 04:00–07:00 Dec 31 05:00–07:00