Missing info: at what time "today's" image is created?

[EmmanueleVilla]

As per title, when the change in what day is "today" happens?
Looking at the code, it seems that datetime.today().date() returns the local datetime, so what local is that?

[brianthomas]

I believe this code is run local to Eastern US time, however its been years since I checked this. =brian From: Emmanuele Villa <[email protected]> Reply-To: nasa/apod-api <[email protected]> Date: Tuesday, July 30, 2019 at 4:54 AM To: nasa/apod-api <[email protected]> Cc: Subscribed <[email protected]> Subject: [EXTERNAL] [nasa/apod-api] Missing info: at what time "today's" image is created? (#26) As per title, when the change in what day is "today" happens? Looking at the code, it seems that datetime.today().date() returns the local datetime, so what local is that? — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_nasa_apod-2Dapi_issues_26-3Femail-5Fsource-3Dnotifications-26email-5Ftoken-3DAA6NHGOSONVL4PVIW4T3E7LQB76U5A5CNFSM4IHZ7RMKYY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4HCHVBJA&d=DwMCaQ&c=ApwzowJNAKKw3xye91w7BE1XMRKi2LN9kiMk5Csz9Zk&r=BZpo7Ra1k7-CMa5_b1wFxVw3bMQgOLcmuYgw3r1v4sI&m=8SEl0xAjFlJ-HzpB8SJQ_zke6O7V9e_VyF3UVMvfcz8&s=dW7CWiFtWpPrfssLskFr_VZ5zO-olMaH1rOtr0CLLTo&e=>, or mute the thread<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_notifications_unsubscribe-2Dauth_AA6NHGJQ6CKLQVBE5ZGE2VDQB76U5ANCNFSM4IHZ7RMA&d=DwMCaQ&c=ApwzowJNAKKw3xye91w7BE1XMRKi2LN9kiMk5Csz9Zk&r=BZpo7Ra1k7-CMa5_b1wFxVw3bMQgOLcmuYgw3r1v4sI&m=8SEl0xAjFlJ-HzpB8SJQ_zke6O7V9e_VyF3UVMvfcz8&s=7GTFi7q31BAwZeGzcFPH_kOBJ4nkXKprjqWL3Nm_ul8&e=>.

[MarcusOtter]

To double check this, I set up automated tests for my wrapper to run every 30 minutes over night, starting from minute 15. The tests started failing when my local time passed 00:00 and started working again at 04:00 UTC, so the APOD seems to be published at 00:00 UTC-4 (Eastern Time).

Last failing test (03:46:49 UTC)
First passing test (04:16:38 UTC)

Perhaps the time zone information should be added to the README.

EDIT: Remember DST.

Time period start	Time period end	Time of publication
Second Sunday in March	First Sunday in November	00:00 UTC-04:00
First Sunday in November	Second Sunday in March	00:00 UTC-05:00