When the sun is shining, you can water early in the morning and evening. If it is cloudy, at any time during the day. It does not water when the sun burns. From the remaining drops of water, the sun burns holes in the leaves. Cold water also causes shock to plants. It is best to water in the evening after sunset, the irrigation will last until morning and the plants will make better use of it. The disadvantage, however, is that more snails are staying there.