There is no specific time for the market to crash and also it needs reasons to do so. For now the market is going upwards only as we have entered into the bull run already. So it is no wonder that its not gonna crash but will surely have some up and down movements until it hits the next ATH prices.
For now there is less possibility for the market to go down because we have successfully passed the resistance level that was between 8-9K USD.
Most of the time during this period onward the coins will start moving upwards as we move closer to the mid year when the market receives heavy volume.