Getting location…
Sun Clock is a 24-hour clock that displays the position of the sun, and times of sunrise, solar noon, sunset, golden hour, and twilight for your current location. It also shows the position and phase of the moon, and its rising and setting times.
A note about direction1 — why does it go backwards?
Tap on or hover over the segments to get their start and end times. You can also tap/hover on the moon, the hour hand, and the centre dot.
See updates for change history.
Sun Clock is free to use, and contains no advertising. If you would like to help support Sun Clock, please —
We collect aggregate user stats only. Your location and settings are stored in your web browser and are not sent to the server. No cookies are saved or sent.
For professional testing or connecting to specific distant networks, ensure that the wireless environment is clear of significant physical obstructions.
Supports IEEE 802.11b/g (older versions) or 802.11b/g/n (newer variants). High-gain design, often rated at or higher. Interface: 📥 Driver Installation Guide
To maximize transmission integrity, decrease signal attenuation, and guarantee stability across your connected network infrastructure, change the following deep-level properties within your OS network layout: Configuration Property Recommended Value Functional Purpose Uncheck "Allow the computer to turn off this device" wifly city idu 2850ug 8g driver 25 exclusive
The software package matching the phrase "wifly city idu 2850ug 8g driver 25 exclusive" refers to an optimized compilation of the Realtek infrastructure. Specification Realtek RTL8187 Engine v3.00.01.0000 (Legacy Base) Target Architecture 32-bit & 64-bit Systems Windows XP through Windows 11 compatibility Specialized Modes Monitor Mode Promiscuous packet capture for security analysis Utility Suite Wifly City Control UI Power management and manual dBm calibration Step-by-Step Installation Guide 1. Preparing the System Environment
This likely refers to a specific version of the driver or a community-packaged "Beini" or "BackTrack" driver set used for legacy network auditing, as these high-power adapters were popular for those purposes. For professional testing or connecting to specific distant
This device is a high-power USB WiFi adapter (often rebranded) popular for long-range WiFi reception. Because Wifly City is a smaller distributor, their drivers are often not hosted on a centralized, easy-to-find support page.
| Feature | Specification | | :--- | :--- | | | Wifly City IDU 2850UG-8G | | Interface | USB 2.0 Type A | | Chipset | Realtek RTL8187L (Legacy) | | Frequency | 2.4 GHz | | Wireless Standard | IEEE 802.11 b/g | | Antenna | Integrated 8dBi High Gain | | Max Power | ~1000mW (approx.) | | OS Support | Windows XP/7/8/10/11 (Legacy This device is a high-power USB WiFi adapter
The WiFly-City IDU-2850UG-8G, often referred to as the "Card King" (卡王), was launched by the Taiwanese company WiFly-City in 2009. It gained significant attention for its high-power output, which greatly exceeds the typical 40-100mW limit of standard consumer Wi-Fi adapters. The "exclusive" keyword often associated with this model highlights its unique position in the market as a specialized tool rather than a general consumer product.
chipsets, it remains popular for its high transmission power (up to 1500mW) and "packet injection" capabilities often used in legacy network testing. Key Specifications Realtek RTL8187L / RTL8187B. Standards: IEEE 802.11b/g (up to 54Mbps).
| Feature | Specification | | :--- | :--- | | | IDU-2850UG-8G, Red Shield Edition 8G | | Operating Frequency | 2.4 GHz (ISM band, IEEE 802.11b/g) | | Maximum Output Power | Up to 800mW (adjustable via software) | | Chipset | Realtek RTL8187L | | Interface | USB 2.0 | | Antenna | Detachable RP-SMA, 5dBi antenna included | | Security | 64/128-bit WEP, WPA, WPA2, 802.1x | | Working Temperature | 0℃ to 60℃ | | Supported OS | Windows 98/ME/2000/XP/Vista/7/8, Linux |
Added an option for a ticking seconds hand (sweep hand is still the default).
Fixed a bug where the Moon icon was incorrect in recent versions of Safari.
Added the option to show the odd numbers on the clock face.
The "use 12-hour times" option now applies to the numbers on the clock face also.
Added an annual calendar. Try it out. Feedback welcome!
Sun Clock is now a Progressive Web App. This means you can install it on your device homepage and it will be available when your are offline.
Added auto-color mode (dynamic colors that change with the time periods.)
Added dark mode.
Live!
✕