In Nyaya-Vaisheshika philosophy, time is considered a fundamental substance, along with space, matter, and soul.

Advaita Vedanta posits that time is not separate from Brahman, the ultimate reality, but rather an aspect or manifestation of it.

Dharmakirti, a prominent Buddhist philosopher, held that time is a mental construct, arising from the mind's perception of change.

The concept of 'kala' in Indian philosophy often refers to time as a cyclical process, with periods of creation, preservation, and destruction.

Mahavira, the founder of Jainism, introduced the theory of 'anekantavada,' which suggests that time can be viewed from multiple perspectives and is not absolute.

In Advaita Vedanta, 'maya' is the illusion that conceals the true nature of reality. It is said to create the illusion of time, along with other aspects of the phenomenal world.

Abhinavagupta, a prominent Kashmiri Shaivite philosopher, held that time is a fundamental category of reality, along with space and consciousness.

In Buddhism, 'pratityasamutpada' refers to the principle of dependent origination. According to this principle, time is seen as a product of the interconnectedness and interdependence of various factors.

Asanga, a prominent Yogacara philosopher, proposed the theory of 'satkaryavada,' which states that the effect is pre-existent in the cause. This theory has implications for understanding the relationship between time and causality.

The 'kala-chakra' in Tibetan Buddhism refers to a complex cosmological model that encompasses time, space, and the cycles of existence.

In Buddhism, 'nirvana' is the ultimate state of liberation from suffering and the cycle of rebirth. It is often described as a state that transcends time and space.

Vasubandhu, a prominent Buddhist philosopher, argued that time is a product of the mind's activity, arising from the perception of change.

The concept of 'kalpa' in Indian philosophy refers to a cosmic age, a vast period of time that encompasses the creation, preservation, and destruction of the universe.

In Mimamsa philosophy, 'dharma' refers to the eternal and universal moral order. Time is seen as a manifestation of dharma, as it governs the sequence and order of events.

Vallabha, a prominent Vaishnava philosopher, proposed the theory of 'svabhavavada,' which states that time is an inherent property of reality and is not dependent on any external factors.