There are twelve months in a year according to the lunar calendar.
|Number||Name of the month||Approximate period in a year|
|01||Chaitra(Madhu)||Mid-March to Mid-April|
|02||Vaishakha(Madhava)||Mid-April to Mid-May|
|03||Jaishtha(Shuchi)||Mid-May to Mid-June|
|04||Ashadha(Shukra)||Mid-June to Mid-July|
|05||Shravana(Nabha)||Mid-July to Mid-August|
|06||Bhadrapada(Nabhasya)||Mid-August to Mid-September|
|07||Ashvina(Isha)||Mid-September to Mid-October|
|08||Kartika(Urja)||Mid-October to Mid-November|
|09||Margasirsha(Saha)||Mid-November to Mid-December|
|10||Paumsha(Sahasya)||Mid-December to Mid-January|
|11||Magha(Tapa)||Mid-January to Mid-February|
|12||Phalguna(Tapasya)||Mid-February to Mid-March|
The seasonal regimen for preservation of health and prevention of diseases can be referred in Tasyashiteeya Adhyaya.