//When creating an object
const timestamp = new Date();
const createdAt = timestamp;
const updatedAt  = timestamp;

//The date is stored as follows:
createdAt: October 23,2018 at 12:30:23 AM UTC+5:30

//when fetched, the date is received as follows:
e{nanoseconds: 365000000, seconds: 1539876053}

//To manipulate date,do the following when fetching
createdAt = createdAt.toDate()

//to update the date after fetching
createdAt = new Date(createdAt)

//Then the date is stored as mentioned above.