Both

dawn midday and dusk

dawn, midday and dusk. These are hours of tranquility. At dawn all creatures including human beings rise and the mind is serene now. At dusk all must be restful after a day's hard work: that is also a time of calm. At noon the sun is at its height and people are at home and relaxed and their mind is calm. During these hours we must meditate on Gayatri, Savitri and Sarasvati. In the morning the dominant presence is that of Visnu, at noon that of Brahma and at sundown of Siva. So we must meditate on Gayatri, Savitri and Sarasvati in the morning as Visnu personified, at noon as Brahma personified and at dusk as Siva personified.

https://freeglobaluniversity.blogspot.com/search/label/Thread

Kuber

1. http://brahmasaraswati.blogspot.com/search/label/Kuber
2. http://shivadurga.blogspot.com/search/label/YakshYakshini
3. http://laxmivishnu.blogspot.com/search/label/KuberKuberini

Meditation

Trikut

https://en.wikipedia.org/wiki/Trikut
https://en.wikipedia.org/wiki/Trikuta
https://www.youtube.com/results?search_query=Trikut
https://www.youtube.com/results?search_query=Trikuta
https://www.slideshare.net/search/slideshow?searchfrom=header&q=Trikut
https://www.slideshare.net/search/slideshow?searchfrom=header&q=Trikuta

One

Shri Siva said: O Parvati, please understand my words :

1. Vishnu, Brahma, and I are the one eternal Supreme Lord. We are not different. We are the one Lord manifest in different forms. 
2. You are the potency of the Supreme Lord. You are the mother of all. You appear in many forms. You are Brahma’s wife Sarasvati. You are Goddess Laksmi who rests on Lord Narayana’s chest. O saintly one, you are also Parvati, who rests on my chest.

http://destinationdestination.blogspot.com/search/label/BrahmaVaivartaPurana

Duality