It is Military slang. It is usually used to refer to any time when the sun isn't up, usually between mid-night and 4 am or so. Most operations start at Oh dark thirty, much earlier than a normal 'person' would think civilized.
[New]
0-Dark-30 is 30 minutes before sunrise.
-Edit-
0-dark-30 refers to a time (any time really) where the sun isn't up, but you are(and you're probably working). It doesn't mean military, but generally this is when Military members have a lot of work, so it applies well to them.
0-30 days
The moon is not dark all the time. It is dark in a phase called a "new moon." But it only temporarily lasts.
Some digital clocks glow in the dark because if you are wearing it in the dark you can read the time.
The time would be 12:30 a.m.
Yes, it can be argued that Moon has a day time and night time. Day time is when the moon is shining bright above the sky, night time is when the moon is dark. Hence the term "Dark Side of the Moon".
It is Military slang. It is usually used to refer to any time when the sun isn't up, usually between mid-night and 4 am or so. Most operations start at Oh dark thirty, much earlier than a normal 'person' would think civilized. [New] 0-Dark-30 is 30 minutes before sunrise. -Edit- 0-dark-30 refers to a time (any time really) where the sun isn't up, but you are(and you're probably working). It doesn't mean military, but generally this is when Military members have a lot of work, so it applies well to them.
The ISBN of Dark Back of Time is 0-8112-1570-9.
7:30
It gets dark at 6:30 pm
In March, it typically gets dark around 7-8 PM in California, depending on which part of the state you are in and the specific day in March. The length of daylight varies throughout the month as the days get longer leading up to the spring equinox.
around 9:30 pm (2130)
Its debated but its about 0 A.D - 30 A.D
The ISBN of Dark Challenge is 0-505-52409-0.
The ISBN of "Dark Demon" by Christine Feehan is 978-0515139751.
Usually just after dark. About 9:30 here on East Coast
It starts around 8:30 9:00 depending on when it gets dark
The ISBN of The Dark Beyond the Stars is 0-312-86624-0.