Dawn is of expectation and dusk is about reorganising.In the last two days many of us would have read the word 'dawn' many times from the various New Year greetings, mostly as Whatsapp messages. Some typical phrase and idioms we would have come across in them would be 'when the New Year Dawns...', 'the first dawn of 2021 ... ...' etc.
Many of us understand the word as a new morning. However if we look in the dictionary it is more specific and slightly different from our general understanding. It is the twilight just before morning. Similarly the opposite 'dusk' is twilight before night. In Sanskrit and other Indian languages it is more clear as Praatah Sandhya and Saayam Sandhya, where Sandhya means twilight.
However in our daily use, dawn and dusk are used mostly figuratively rather than in their literal sense.
In India traditionally, both Sandhyas-the dawn and the dusk- are time for prayers. There are certain prescribed daily routines and observances as per Hindu tradition and way of life. Both are considered significant.
While dawn is starting a new day with expectations dusk is reviewing of the dawn to dusk and with that experience preparing with hope for a still better new morning after the night.
That is what Rajesh Walecha (Let's Talk) said – ""Dawn is to start and Dusk is to reorganize yourself for the new Dawn." In short, dawn is of expectations; dusk is of experience and re-equipping ourselves for a new dawn.
This can be extended and expanded philosophically, hopefully on a new dawn.
(This is an entry for TOW contest)