006_Python_timestamp_to_datetime.ipynb

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    "<small><small><i>\n",
    "All the IPython Notebooks in **Python Date Time Module** lecture series by Dr. Milaan Parmar are available @ **[GitHub](https://github.com/milaan9/08_Python_Date_Time_Module)**\n",
    "</i></small></small>"
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    "# Python timestamp to datetime and vice-versa\n",
    "\n",
    "In this article, you will learn to convert timestamp to datetime object and datetime object to timestamp (with the help of examples).\n",
    "\n",
    "It's pretty common to store date and time as a timestamp in a database. A Unix timestamp is the number of seconds between a particular date and January 1, 1970 at UTC."
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    "### Example 1: Python timestamp to datetime"
   ]
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      "dt_object = 2018-12-25 14:57:53\n",
      "type(dt_object) = <class 'datetime.datetime'>\n"
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    "# Example 1: Python timestamp to datetime\n",
    "\n",
    "from datetime import datetime\n",
    "\n",
    "timestamp = 1545730073\n",
    "dt_object = datetime.fromtimestamp(timestamp)\n",
    "\n",
    "print(\"dt_object =\", dt_object)\n",
    "print(\"type(dt_object) =\", type(dt_object))\n",
    "\n",
    "# When you run the program, the output will be something like below:"
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    "**Explanation:** \n",
    "\n",
    "Here, we have imported **[datetime](https://github.com/milaan9/08_Python_Date_Time_Module/blob/main/001_Python_datetime_Module.ipynb)** class from the datetime module. Then, we used **`datetime.fromtimestamp()`** classmethod which returns the local date and time (datetime object). This object is stored in **`dt_object`** variable.\n",
    "\n",
    "> **Note:** You can easily create a string representing date and time from a **`datetime`** object using **[strftime()](https://github.com/milaan9/08_Python_Date_Time_Module/blob/main/002_Python_strftime%28%29.ipynb)** method."
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   "source": [
    "### Example 2: Python datetime to timestamp"
   ]
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    "You can get timestamp from a datetime object using **`datetime.timestamp()`** method."
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      "timestamp = 1624370069.654593\n"
     ]
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   "source": [
    "# Example 2: Python datetime to timestamp\n",
    "\n",
    "from datetime import datetime\n",
    "\n",
    "# current date and time\n",
    "now = datetime.now()\n",
    "\n",
    "timestamp = datetime.timestamp(now)\n",
    "print(\"timestamp =\", timestamp)\n",
    "\n",
    "# When you run the program, the output will be something like below:"
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   "source": [
    "## 💻 Exercises ➞ <span class='label label-default'>Date and Time</span>\n",
    "\n",
    "### Exercises ➞ <span class='label label-default'>Level 1</span>\n",
    "\n",
    "1. Get the current day, month, year, hour, minute and **`timestamp`** from **`datetime`** module\n",
    "2. Format the current date using this format: **`\"%m/%d/%Y, %H:%M:%S\"`**)\n",
    "3. Today is 5 December, 2019. Change this time string to time.\n",
    "4. Calculate the time difference between now and new year.\n",
    "5. Calculate the time difference between 1 January 1970 and now.\n",
    "6. Think, what can you use the **`datetime`** module for? Examples:\n",
    "   - Time series analysis\n",
    "   - To get a **`timestamp`** of any activities in an application\n",
    "   - Adding posts on a blog "
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