It's based on your time zone, meaning whatever time zone you're in, it's 2AM to 8AM in that time zone.
If the speed problem persists when you still have data, I'd run some speed tests. There used to be a sticky post about speed testing, but it appears that it was removed. Luckily, I still have the macro. The testing mentions being directly connected with a LAN cable, but if you don't have that ability, try it via WiFi. Only do it if you have data though, not while you're in FAP. So if you have Bonus Zone data, you can run some during that time period, if you're up at that time. Check the state code before doing so though, to ensure you're not seeing that 24.1.1.
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To help the HughesNet Customer Service Reps get a head start on your speed concerns, please create a testmy.net account (if you do not already have one) and, while signed into that account, perform a batch of 3-5 tests during different parts of the day, then share your testmy.net "My Results" page URL with us here. A batch each in the morning, afternoon and evening is the most ideal, but the reps are well aware that not everyone can do this, so please just run a batch when you can.
Most important points to remember during this test:
-do the tests while directly connected to the HughesNet modem with a LAN cable (NO third party Router or Wireless devices can be used)
-disable the WiFi in the HT2000W modem while the speed tests are being performed
-the testing device should be the ONLY device connected to the HughesNet modem while testing
-use the manual 25MB size download test file
-if testing upload instead of download, use the manual 4MB size upload test file
-space each test in the batch at least 5 minutes apart
-post your testmy results URL here, it may look something like http://testmy.net/quickstats/yourusername
The Reps are on M-F from approximately 9AM to 6PM EST. They will be the ones to address your speed issues, but they will need these tests to do so.
If you don't know how to disable the WiFi in the HT2000W modem, please see "How do I manage my built-in WiFi modem?" in this PDF. Please be sure to click "Save Settings" after unchecking "SSID Enable" for each of the four tabs individually (2.4Ghz, then 2.4Ghz Guest, then 5Ghz, then 5Ghz Guest).